{"title":"Royal Purple","description":"\u003cp\u003eBrowse 34 Royal Purple products at RedLeaf Auto, including engine \u0026amp; motor oils and transmission fluids. Every listing names the vehicles and fitments it suits — check the compatibility details on each product page before you order.\u003c\/p\u003e\u003cp\u003eFree tracked shipping across Canada on every order, with 30-day returns.\u003c\/p\u003e","products":[{"product_id":"royal-purple-max-gear-75w-140-synthetic-gear-lube-pack-of-3-quarts-extreme-pressure-protection","title":"Royal Purple Max-Gear 75W-140 Synthetic Gear Lube Pack of 3 Quarts, Extreme-Pressure Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max-Gear 75W-140 is a fully synthetic hypoid gear oil formulated to protect heavily loaded differentials and gearsets while helping maintain smooth driveline performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered for demanding automotive and light truck applications, this 3-quart pack from Royal Purple delivers a high-performance lubricant option for hypoid gears and manual transmissions that require SAE 75W-140 viscosity. The formulation pairs premium synthetic base stocks with Royal Purple’s Synerlec additive package to improve load-carrying ability, reduce wear under high pressure and provide resistance to rust and corrosion. Sold as a pack of three quarts, it’s convenient for servicing most rear differentials and for keeping a spare on hand.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this gear oil protect heavily loaded gears?\u003c\/h3\u003e\n\u003cp\u003eThe synthetic base fluids and advanced additive chemistry create a stable lubricating film that resists shear and break-down under high contact pressures. This helps reduce metal-to-metal contact, minimizing surface wear and scuffing in hypoid gear teeth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-viscosity 75W-140 grade maintains a robust film at operating temperatures.\u003c\/li\u003e\n  \u003cli\u003eSynerlec additive package boosts extreme-pressure load capacity.\u003c\/li\u003e\n  \u003cli\u003eFormulation resists shear to preserve viscosity over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil help prevent rust and corrosion in stored or infrequently used vehicles?\u003c\/h3\u003e\n\u003cp\u003eYes, the formulation contains components that inhibit water-related corrosion and rust on gear surfaces. That protection is useful for vehicles in variable climates or equipment that sits unused for extended periods.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCorrosion inhibitors form a protective surface layer on metal components.\u003c\/li\u003e\n  \u003cli\u003eStable synthetic base stocks reduce oxidation and contamination risk.\u003c\/li\u003e\n  \u003cli\u003eAppropriate for environments where moisture or road salt are concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Royal Purple Max-Gear 75W-140 suitable for high-torque or towing applications?\u003c\/h3\u003e\n\u003cp\u003eThe oil is designed for situations where gears see heavy loads and high torque, such as towing, hauling, or performance driving. Its extreme-pressure performance and shear stability help maintain protection during sustained, demanding use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to withstand high contact pressures typical in hypoid gear sets.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain consistent lubrication under repeated heavy loads.\u003c\/li\u003e\n  \u003cli\u003eSold in a 3-quart pack to support multiple service intervals or spare use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this product compare to conventional gear oils?\u003c\/h3\u003e\n\u003cp\u003eCompared with standard mineral-based gear oils, a fully synthetic 75W-140 like Royal Purple Max-Gear typically offers better thermal stability, improved resistance to oxidation and longer-lasting viscosity retention. Those attributes can translate into steadier protection and potentially longer drain intervals when used according to manufacturer guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynthetic base stocks resist breakdown at higher temperatures.\u003c\/li\u003e\n  \u003cli\u003eAdvanced additives enhance extreme-pressure and anti-wear performance.\u003c\/li\u003e\n  \u003cli\u003eProvides superior protection in severe or performance-oriented conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max-Gear 75W-140 in a 3-quart pack is intended for owners and technicians of cars, trucks and SUVs that require a high-viscosity synthetic hypoid gear oil—particularly those that tow, haul, or operate under heavy-load conditions. It’s also a practical choice for performance vehicles and for anyone who prefers synthetic lubricants with enhanced extreme-pressure and anti-corrosion properties. Always consult your vehicle or equipment manufacturer for recommended lubricant specifications before use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use 75W-140 in both front and rear differentials?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use 75W-140 where the vehicle manufacturer specifies that grade; some front differentials or limited-slip units require specific additives—check the owner's manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many quarts does a typical rear differential need?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most passenger car rear differentials take 1.5 to 3 quarts; heavy-duty or larger housings may need more—refer to the service manual for exact volume.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67584898007225,"sku":"B07FGWW98X","price":179.77,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-pack-quart.jpg?v=1790458190"},{"product_id":"royal-purple-max-clean-fuel-system-cleaner-stabilizer-case-of-6-x-20-oz-restores-power-economy","title":"Royal Purple Max-Clean Fuel System Cleaner \u0026 Stabilizer — Case of 6 x 20 oz, Restores Power \u0026 Economy","description":"\u003cstrong\u003eRoyal Purple Max-Clean is a concentrated fuel system cleaner and stabilizer formulated to remove combustion deposits, restore lost performance, and stabilize fuel for storage.\u003c\/strong\u003e\n\n\u003cp\u003eMax-Clean is a concentrated chemistry designed to clean injectors, intake valves, and combustion chambers while stabilizing stored fuel. It works with a wide variety of gasoline and diesel engines—including naturally aspirated, turbocharged, and supercharged—and is sold here as a convenient case of six 20-ounce bottles for fleet use or frequent servicing. Independent fleet testing shows measurable average improvements in economy, power, and emissions after treatment.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I notice improvements after adding Max-Clean?\u003c\/h3\u003e\n\u003cp\u003eMany users report measurable benefits after a single treatment, though results depend on engine condition and driving habits. Improvements can occur progressively as deposits dissolve and flow out of the system during normal operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical single-treatment averages: ~3.2% better fuel economy and ~2.6% more horsepower.\u003c\/li\u003e\n  \u003cli\u003eVisible drivability gains—smoother idle and reduced hesitation—often appear within a few fill-ups.\u003c\/li\u003e\n  \u003cli\u003eRepeated or routine treatments can maintain cleaner injectors and valves over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly does Max-Clean remove and why does that matter?\u003c\/h3\u003e\n\u003cp\u003eMax-Clean targets the carbon and varnish that build up from combustion and fuel additives. These deposits restrict fuel flow, foul spark plugs, and increase knock, so removing them helps restore engine efficiency and reliability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClears injector and intake-valve deposits to improve spray pattern and air\/fuel mixing.\u003c\/li\u003e\n  \u003cli\u003eReduces spark-plug fouling and deposit-induced knocking or pinging.\u003c\/li\u003e\n  \u003cli\u003eHelps lower emissions by cleaning combustion surfaces that contribute to HC, NOx, and CO output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Max-Clean work with my vehicle and fuel type?\u003c\/h3\u003e\n\u003cp\u003eYes—Max-Clean is formulated to be compatible with most on-road gasoline and diesel engines. It is safe for modern direct-injection systems as well as older designs when used as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEffective on gasoline and diesel engines, naturally aspirated or forced-induction.\u003c\/li\u003e\n  \u003cli\u003eSuitable for both older high-mileage engines and newer powertrains with injection systems.\u003c\/li\u003e\n  \u003cli\u003eFollow the dosage instructions on the bottle for best results and compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max-Clean affect emissions and long-term maintenance?\u003c\/h3\u003e\n\u003cp\u003eBy stripping deposits from combustion surfaces, Max-Clean can reduce tailpipe emissions and lower the likelihood of deposit-related performance problems. It is a preventive service that helps maintain efficient combustion and smooth operation between professional maintenance intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAverage emission reductions observed: approximately 12% HC, 13% NOx, and 18% CO in fleet testing.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent rough idle, stalling, and hesitation caused by deposit build-up.\u003c\/li\u003e\n  \u003cli\u003eRegular use reduces the rate at which new deposits form, aiding long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max-Clean in a case of six 20 oz bottles is aimed at individuals and shops that perform regular fuel-system maintenance, fleet managers seeking predictable performance gains, and vehicle owners who want to restore lost fuel economy or prevent deposit-related issues. It is useful for anyone maintaining gasoline or diesel engines who prefers a concentrated, multi-use treatment that combines cleaning with fuel stabilization for storage or seasonal vehicles.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I treat my tank with Max-Clean?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use one 20 oz bottle per fuel tank as directed; repeat every 3,000 to 5,000 miles or during seasonal storage for stabilization.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max-Clean safe for turbocharged and direct-injection engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, Max-Clean is formulated to work with turbocharged and direct-injection systems when used according to the label instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585038287033,"sku":"B00BGS31MO","price":197.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-clean-front-packaging.jpg?v=1790464587"},{"product_id":"royal-purple-synchromax-manual-transmission-fluid-1-quart-bottles-set-of-4-smooth-shifts-gear-protection","title":"Royal Purple Synchromax Manual Transmission Fluid 1-Quart Bottles (Set of 4) — Smooth Shifts, Gear Protection","description":"\u003cstrong\u003eRoyal Purple Synchromax is a high-performance manual transmission fluid sold as a set of four 1-quart bottles, engineered to improve shift feel, reduce gear noise, and protect gears across a wide temperature range.\u003c\/strong\u003e\n\n\u003cp\u003eIf your vehicle’s gearbox calls for automatic transmission fluid, multi-viscosity motor oil, or straight-grade motor oil, Royal Purple Synchromax provides a single solution for smooth shifting and long-lasting protection. Formulated with Royal Purple’s Synerlec additive technology, this fluid is suited for a wide range of manual transmissions and 2-cycle motorcycle gearboxes where improved friction characteristics and corrosion resistance are desirable.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Synchromax improve shift quality in different temperatures?\u003c\/h3\u003e\n\u003cp\u003eSynchromax is engineered to maintain consistent frictional properties over a broad thermal window, which helps synchronizers engage more predictably during cold starts and at operating temperature. That results in crisper shifts without the grabbing or grinding that can occur with inadequate fluids.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStable viscosity across hot and cold conditions\u003c\/li\u003e\n  \u003cli\u003eOptimized friction modifiers for smooth synchronizer engagement\u003c\/li\u003e\n  \u003cli\u003eReduced shift effort during cold starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protective benefits does this transmission fluid deliver?\u003c\/h3\u003e\n\u003cp\u003eBeyond improving shift feel, Synchromax helps protect gears and bearings from wear while guarding against rust and corrosion. Its antioxidant stability slows oil breakdown, helping the lubricant retain protective properties longer between service intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec additive package for enhanced wear protection\u003c\/li\u003e\n  \u003cli\u003eExcellent rust and corrosion resistance for gearbox longevity\u003c\/li\u003e\n  \u003cli\u003eSuperior oxidation control to extend oil life and cleanliness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan Synchromax be used in motorcycles and different gearbox types?\u003c\/h3\u003e\n\u003cp\u003eYes — Royal Purple Synchromax is formulated for manual transmissions that accept ATF or motor oils, and it’s suitable for many 2-cycle motorcycle gearboxes. Always check your manufacturer’s recommendations and compatibility before using any fluid.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with gearboxes calling for ATF or motor oil substitutes\u003c\/li\u003e\n  \u003cli\u003eDesigned for use in select 2-cycle motorcycle gearboxes\u003c\/li\u003e\n  \u003cli\u003eUseful where a single fluid simplifies maintenance across vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Synchromax affect operating temperatures and efficiency?\u003c\/h3\u003e\n\u003cp\u003eBy managing friction and reducing internal drag, Synchromax can help lower gearbox operating temperatures and reduce parasitic power loss. Cooler running gears and reduced friction translate into more consistent performance under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFriction reduction helps preserve power delivery\u003c\/li\u003e\n  \u003cli\u003eLower operating temperatures extend component life\u003c\/li\u003e\n  \u003cli\u003eMaintains performance under continuous or heavy use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Synchromax set of four 1-quart bottles is aimed at professional technicians, DIY enthusiasts, and motorcycle owners who need a dependable manual transmission fluid that covers multiple specification requirements. It’s especially useful for vehicles or fleets that accept ATF or motor oil substitutes in their gearboxes and for those who want improved shift quality, enhanced wear protection, and longer fluid life without sourcing multiple product types.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple Synchromax safe for 2-cycle motorcycle gearboxes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, Synchromax is suitable for many 2-cycle motorcycle gearboxes; confirm your manufacturer’s specs before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change Synchromax in a manual transmission?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Change intervals depend on vehicle use and manufacturer guidelines; inspect fluid condition and follow OEM service recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585052475577,"sku":"B074W8FSVG","price":191.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-synchromax-front-packaging.jpg?v=1790465188"},{"product_id":"royal-purple-max-cycle-10w-40-motorcycle-oil-case-of-6-1-qt-high-performance-synthetic-wet-clutch-compatible","title":"Royal Purple Max-Cycle 10W-40 Motorcycle Oil — Case of 6 (1 qt) High-Performance Synthetic, Wet-Clutch Compatible","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max-Cycle 10W-40 is a high-performance synthetic motorcycle oil engineered for stressed 4-cycle engines and wet-clutch transmissions, sold here as a case of six 1‑quart bottles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for riders who demand durable protection and consistent performance, Max-Cycle blends select synthetic base stocks with Royal Purple's Synerlec additive technology to strengthen lubricating films, resist oxidation, and help reduce wear under heavy loads. It works in both air- and liquid-cooled engines, is compatible with other mineral and synthetic oils, and meets modern API and JASO specifications—so you can use it without flushing an existing fill.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Max-Cycle protect heavily stressed motorcycle engines?\u003c\/h3\u003e\n\u003cp\u003eMax-Cycle raises film strength and load-carrying capacity to shield metal surfaces during extreme pressure and high temperatures. Its formulation focuses on preventing metal-to-metal contact and reducing scuffing while improving oxidation stability for longer life under strain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec additive chemistry increases load capacity 3–4x versus many synthetics\u003c\/li\u003e\n  \u003cli\u003eHigh film strength guards pistons, crankshafts and valve train components\u003c\/li\u003e\n  \u003cli\u003eShear-stable base oils retain viscosity under stress\u003c\/li\u003e\n  \u003cli\u003eImproved oxidation resistance limits sludge and varnish formation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work with wet-clutch motorcycle transmissions?\u003c\/h3\u003e\n\u003cp\u003eYes — Max-Cycle is formulated to be compatible with wet-clutch systems, maintaining clutch performance and preventing slippage when used at recommended viscosities. It meets relevant JASO standards that address frictional properties important to wet clutches.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eJASO-compatible for correct friction characteristics in wet clutches\u003c\/li\u003e\n  \u003cli\u003eMaintains consistent film to prevent clutch chatter and slippage\u003c\/li\u003e\n  \u003cli\u003eWorks in combined engine\/transmission applications without modification\u003c\/li\u003e\n  \u003cli\u003eNo separate transmission fluid needed when specified by manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this oil help with temperature control and efficiency?\u003c\/h3\u003e\n\u003cp\u003eMax-Cycle's synthetic base stocks and additive package reduce parasitic power loss and help engines run cooler by minimizing friction and improving heat transfer. Cooler operation supports consistent performance during long rides and heavy load conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower friction reduces wasted energy and improves throttle responsiveness\u003c\/li\u003e\n  \u003cli\u003eEnhanced thermal stability helps maintain viscosity in heat\u003c\/li\u003e\n  \u003cli\u003eReduced deposits improve cooling passage flow over time\u003c\/li\u003e\n  \u003cli\u003eCorrosion protection preserves components exposed to moisture\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Royal Purple Max-Cycle compatible with my current oil and service schedule?\u003c\/h3\u003e\n\u003cp\u003eMax-Cycle is compatible with many mineral and synthetic oils, so you generally do not need to flush before switching. Follow your motorcycle manufacturer's recommended drain intervals and viscosity grades to preserve warranty coverage and performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMixable with other oils if an immediate switch is necessary\u003c\/li\u003e\n  \u003cli\u003eExceeds API and JASO warranty requirements for modern bikes\u003c\/li\u003e\n  \u003cli\u003eNo mandatory flush required when changing to Max-Cycle\u003c\/li\u003e\n  \u003cli\u003eAlways follow OEM viscosity and interval guidance for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Experienced riders, racers, and technicians seeking a robust, wet-clutch-safe synthetic oil that boosts load protection and thermal stability. Ideal for owners of sport, touring, cruiser, and dual-sport motorcycles that call for a 10W-40 high-performance motorcycle oil. Choose the case-of-six format to stock a workshop, support frequent maintenance intervals, or ensure consistent oil choice across multiple bikes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil in a bike with a wet clutch?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Max-Cycle is JASO-compatible and formulated for wet-clutch systems when you follow the correct viscosity and OEM guidance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to flush before switching to Max-Cycle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No mandatory flush is required; Max-Cycle is compatible with many mineral and synthetic oils, though you should follow manufacturer recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585364852921,"sku":"B00ELHT5JU","price":215.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-cycle-front-packaging.jpg?v=1790469799"},{"product_id":"royal-purple-max-atf-high-performance-synthetic-automatic-transmission-fluid-1-qt-bottles-case-of-6-lowers-temps-increases-f","title":"Royal Purple Max ATF High-Performance Synthetic Automatic Transmission Fluid — 1 qt bottles, Case of 6, lowers temps \u0026 increases f","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max ATF is a high-performance synthetic automatic transmission fluid engineered to lower operating temperatures, strengthen film protection, and prolong transmission life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for modern passenger vehicles and heavy-duty use, Royal Purple Max ATF blends a synthetic base with advanced additives to resist heat and wear. Its elevated film strength helps reduce metal-to-metal contact inside gearsets and clutches, while formulation stability supports reliable shifting and long-term protection. Compatible with most automatic transmission fluid types, Max ATF is a practical upgrade for enthusiasts, fleet managers, and everyday drivers who want to reduce thermal stress on their transmission systems.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fluid lower transmission temperature?\u003c\/h3\u003e\n\u003cp\u003eMax ATF uses a synthetic base coupled with thermal-resistant additives that improve heat transfer and reduce friction-generated temperature spikes. Lower operating temperatures cut oxidative breakdown and slow component wear, helping components last longer under demanding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh film strength reduces direct metal contact and frictional heat.\u003c\/li\u003e\n  \u003cli\u003eThermally stable additives delay degradation at high temperatures.\u003c\/li\u003e\n  \u003cli\u003eImproved heat dissipation supports consistent fluid performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Royal Purple Max ATF work with my existing transmission fluid?\u003c\/h3\u003e\n\u003cp\u003eThe formula is designed to be compatible with most conventional and synthetic automatic transmission fluids, so it can be mixed if needed. For optimal results and to fully realize the benefits of Max ATF, the manufacturer recommends a drain or flush before refilling.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many ATF specifications and brands.\u003c\/li\u003e\n  \u003cli\u003eCan be blended in top-off situations for convenience.\u003c\/li\u003e\n  \u003cli\u003eBest results achieved by replacing existing fluid with Max ATF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits should I expect after switching?\u003c\/h3\u003e\n\u003cp\u003eSwitching to Max ATF can reduce internal operating temperatures and lessen wear by maintaining a stronger lubricating film. Users typically notice smoother shifts, steadier hydraulic function, and potentially longer transmission component life under similar driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduced heat for improved longevity of seals and clutch materials.\u003c\/li\u003e\n  \u003cli\u003eStronger film strength to resist shear and wear.\u003c\/li\u003e\n  \u003cli\u003eConsistent shifting feel through better hydraulic control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the fluid when using Max ATF?\u003c\/h3\u003e\n\u003cp\u003eRecommended service intervals depend on vehicle type, driving habits, and operating conditions. While Max ATF offers enhanced thermal and oxidative stability, follow your vehicle manufacturer’s maintenance schedule and inspect fluid condition regularly. Severe use or towing may warrant more frequent checks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow OEM interval guidance as a baseline.\u003c\/li\u003e\n  \u003cli\u003eInspect fluid color and smell for early signs of breakdown.\u003c\/li\u003e\n  \u003cli\u003eConsider more frequent changes under heavy-load or towing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max ATF is intended for drivers and fleets wanting an upgraded synthetic automatic transmission fluid that emphasizes heat reduction and wear protection. It is suitable for passenger cars, SUVs, light trucks, and vehicles where manufacturers specify ATF; ideal for owners who tow, carry heavy loads, or simply want improved transmission durability and smoother shifting. For best results, drain or flush the old fluid before filling with Max ATF and consult your vehicle’s service manual for specifications and capacity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple Max ATF compatible with other ATF brands?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Max ATF is compatible with most conventional and synthetic ATFs, but a full drain or flush before switching is recommended for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will Max ATF improve shifting performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many users report smoother, more consistent shifts due to enhanced film strength and hydraulic control, though results vary by vehicle and condition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585473052857,"sku":"B00ELHT5JA","price":242.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-atf-front-packaging.jpg?v=1790470891"},{"product_id":"royal-purple-75w-90-max-gear-oil-6-quart-case-gl-5-gl-4-synthetic-blend-for-heavy-load-protection","title":"Royal Purple 75W-90 Max Gear Oil, 6-Quart Case - GL-5\/GL-4 Synthetic-Blend for Heavy-Load Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 06300 75W-90 Max Gear Oil is a high-performance synthetic-blend hypoid gear lubricant sold as a 6-quart case designed to protect differentials, manual transmissions and lower marine gear units that call for API GL-5 or GL-4 fluids.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis Max Gear 75W-90 formulation combines premium synthetic base stocks with Royal Purple’s Synerlec additive technology to reduce friction, resist corrosion on soft yellow metals, and extend service life of gears and bearings. It’s engineered for heavy loads and demanding duty cycles where sustained protection, smooth shifting and reduced heat are priorities.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Royal Purple Max Gear protect heavily loaded gears?\u003c\/h3\u003e\n\n\u003cp\u003eMax Gear is formulated to cling to gear surfaces under high pressure, forming a durable lubricant film that prevents metal-to-metal contact and wear. The Synerlec additive package improves load-carrying capacity and helps keep bearings and gear teeth protected during extreme torque events.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-pressure hypoid gear chemistry for heavy loads\u003c\/li\u003e\n  \u003cli\u003eFriction-reducing additives to lower heat and wear\u003c\/li\u003e\n  \u003cli\u003eImproved bearing life through anti-wear agents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work in my differential, transmission, or marine lower unit?\u003c\/h3\u003e\n\n\u003cp\u003eYes — Royal Purple Max Gear 75W-90 meets API GL-5 and GL-4 service levels, making it suitable for many automotive front and rear differentials, manual transmissions, and lower marine gear housings that specify those standards. It is also non-corrosive to soft yellow metals like brass, bronze and copper, and is synchronizer safe for manual gearboxes that require compatibility.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAPI GL-5 and GL-4 compatible for broad application\u003c\/li\u003e\n  \u003cli\u003eNon-corrosive formulation safe for yellow metals\u003c\/li\u003e\n  \u003cli\u003eSynchronizer-safe for manual transmissions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max Gear improve drivability and efficiency?\u003c\/h3\u003e\n\n\u003cp\u003eBy lowering internal friction across the drivetrain, Max Gear helps gears run smoother and cooler, which can reduce noise and vibration while maintaining performance under load. Reduced drag can also help maintain drivetrain efficiency, particularly beneficial for trucks and 4x4 vehicles under towing or off-road use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFriction modifier reduces drag in the drivetrain\u003c\/li\u003e\n  \u003cli\u003eSmoother gear engagement and quieter operation\u003c\/li\u003e\n  \u003cli\u003eHelps control operating temperature under stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance or additive guidance should I follow?\u003c\/h3\u003e\n\n\u003cp\u003eMax Gear comes pre-formulated with a friction modifier, so additional aftermarket friction modifiers are not necessary and could upset the engineered balance of additives. Follow vehicle manufacturer intervals for drain and fill, and always confirm required viscosity and API service levels before switching fluids.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo extra friction modifiers required\u003c\/li\u003e\n  \u003cli\u003eFollow OEM service intervals and compatibility specs\u003c\/li\u003e\n  \u003cli\u003eInspect seals and gaskets when changing gear oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple 06300 75W-90 Max Gear Oil in a 6-quart case is aimed at professional mechanics, fleet operators, truck owners, off-road enthusiasts and boat owners who need a robust, long-lasting gear lubricant that protects under heavy loads and in mixed-service applications. If you manage manual transmissions, hypoid differentials or marine lower units that specify GL-5 or GL-4, and you want improved wear protection and smoother operation without adding aftermarket additives, this product is a strong fit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple 75W-90 Max Gear compatible with GL-5 and GL-4 requirements?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This 75W-90 Max Gear meets API GL-5 and GL-4 service levels and suits differentials, manual transmissions and lower marine units specifying those standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to add friction modifiers when using Max Gear?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Max Gear includes a built-in friction modifier, so additional additives are unnecessary and may interfere with performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585509032121,"sku":"B00TO65GFK","price":248.67,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-gear-oil-front-pack.jpg?v=1790471770"},{"product_id":"royal-purple-hps-5w-30-synthetic-motor-oil-pack-of-6-quarts-high-zinc-anti-wear-for-modified-high-performance-engines","title":"Royal Purple HPS 5W-30 Synthetic Motor Oil — Pack of 6 Quarts, High Zinc Anti-Wear for Modified \u0026 High-Performance Engines","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HPS 5W-30 synthetic motor oil is a high-performance street-grade lubricant engineered to protect modified and out-of-warranty gasoline and diesel engines while improving power delivery and component life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for drivers who push their vehicles beyond factory conditions, Royal Purple’s HPS (High Performance Street) formulation blends a strong zinc\/phosphorus anti-wear package with the brand’s Synerlec additive technology. The result is a synthetic motor oil that responds to increased load with increased film strength, enhances sealing at piston rings, and reduces metal-to-metal wear under heavy stress. This 5W-30 viscosity delivers cold-start protection and stable high-temperature performance for spirited street driving, towing, and light track use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect high-performance and modified engines?\u003c\/h3\u003e\n\u003cp\u003eHPS increases the lubricating film and leverages elevated zinc\/phosphorus levels to shield bearings, cam lobes, and other high-contact surfaces. Synerlec helps maintain stronger, more resilient lubricant films under extreme pressure, slowing wear and preserving component geometry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh zinc\/phosphorus anti-wear chemistry for valve train and bearing protection\u003c\/li\u003e\n  \u003cli\u003eSynerlec additive technology for improved pressure response\u003c\/li\u003e\n  \u003cli\u003eStable thermal performance at elevated operating temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Royal Purple 5W-30 help engine performance or fuel efficiency?\u003c\/h3\u003e\n\u003cp\u003eThis oil promotes better sealing at the piston ring-to-cylinder interface, which can improve torque and horsepower retention compared with worn or substandard lubricants. While fuel economy gains depend on vehicle and driving style, reduced friction and improved ring sealing often translate to more efficient power transfer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved piston ring seal to help maintain torque\u003c\/li\u003e\n  \u003cli\u003eLower friction additives that reduce parasitic losses\u003c\/li\u003e\n  \u003cli\u003eConsistent viscosity to support efficient combustion cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this suitable for both gasoline and diesel engines?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple HPS 5W-30 is formulated to serve both gasoline and diesel applications commonly found in high-performance street vehicles. It’s intended for engines that need robust anti-wear protection and enhanced load-carrying capacity rather than strict original-equipment warranty compliance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with many gasoline and diesel engines used in modified street vehicles\u003c\/li\u003e\n  \u003cli\u003eDesigned for engines out of manufacturer warranty or for performance upgrades\u003c\/li\u003e\n  \u003cli\u003eAvailable in multiple viscosities for broader application coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow often should I change the oil when using Royal Purple HPS?\u003c\/h3\u003e\n\u003cp\u003eChange intervals depend on your vehicle, driving conditions, and manufacturer recommendations; HPS supports extended protection under severe loads but doesn’t override factory service intervals. For performance-driven or heavily loaded use, inspect oil condition more frequently and follow oil analysis or mileage-based schedules tailored to your application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow manufacturer interval or performance-based service schedules\u003c\/li\u003e\n  \u003cli\u003eConsider oil analysis for extended drain planning under heavy use\u003c\/li\u003e\n  \u003cli\u003eFor spirited driving and towing, check oil condition more often than normal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple HPS 5W-30 (pack of six quarts) is aimed at enthusiasts, owners of modified vehicles, and drivers of older or out-of-warranty cars and trucks who want a higher level of wear protection, improved sealing, and reliable thermal stability. If you demand stronger load-carrying performance than conventional oils provide and seek a product that supports both gasoline and diesel high-performance street applications, this formulation is built for that purpose.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Royal Purple HPS 5W-30 in turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, HPS 5W-30 is suitable for many turbocharged gasoline and diesel engines, offering improved film strength and heat resistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is HPS 5W-30 compatible with conventional oils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HPS is compatible with conventional and other synthetic oils, but follow a proper oil change to ensure optimal additive performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585609662649,"sku":"B007SPVMDY","price":192.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hps-5w30-front-packaging.jpg?v=1790474225"},{"product_id":"royal-purple-hps-5w-20-synthetic-motor-oil-1-quart-case-of-6-synerlec-anti-wear-protection","title":"Royal Purple HPS 5W-20 Synthetic Motor Oil — 1 Quart Case of 6, Synerlec Anti-Wear Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HPS 5W-20 is a full-synthetic, Synerlec-enhanced motor oil engineered to protect high-performance and modified engines while improving efficiency under a wide range of temperatures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis oil is a full-synthetic SAE 5W-20 designed for modern gasoline engines and formulated with Royal Purple's proprietary Synerlec additive package and elevated zinc\/phosphorus anti-wear chemistry. Sold as one-quart bottles in a case of six, the HPS (High Performance Street) line targets drivers who want better protection and stability than conventional or blended oils. It offers low-temperature flow for easier starts and controlled high-temperature viscosity for reliable film strength during extended, demanding operation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Royal Purple HPS 5W-20 protect engines under stress?\u003c\/h3\u003e\n\u003cp\u003eHPS uses a concentrated anti-wear formulation with zinc\/phosphorus and Synerlec to strengthen the lubricating film where metal contacts occur. The result is improved resistance to wear and scuffing under heavy loads, turbocharging, or aggressive driving.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec additive improves metal-to-metal protection during high pressure\u003c\/li\u003e\n  \u003cli\u003eHigh zinc\/phosphorus levels reduce wear on critical valve-train and bearing surfaces\u003c\/li\u003e\n  \u003cli\u003eFull-synthetic base stocks maintain film strength at high temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this 5W-20 oil help fuel economy or cold starts?\u003c\/h3\u003e\n\u003cp\u003eBecause 5W-20 has low cold viscosity and Royal Purple HPS is fully synthetic, it flows quickly on start-up, helping the oil reach critical components sooner. Improved flow and reduced internal friction can support fuel efficiency compared with thicker or conventional oils in vehicles specified for 5W-20.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSAE 5W rating ensures easier cold starts and fast crankcase circulation\u003c\/li\u003e\n  \u003cli\u003eLow-friction synthetic base stocks can reduce parasitic losses\u003c\/li\u003e\n  \u003cli\u003eDesigned to retain viscosity profile across operating temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil suitable for my vehicle and maintenance plan?\u003c\/h3\u003e\n\u003cp\u003eAlways check your owner's manual to confirm 5W-20 is the recommended viscosity for your engine. Royal Purple HPS is often chosen by owners of high-performance or modified vehicles and those who want stronger protection than OEM-grade conventional oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets demands of many gasoline engines requiring 5W-20 viscosity\u003c\/li\u003e\n  \u003cli\u003eRecommended for engines out of warranty or modified for higher output\u003c\/li\u003e\n  \u003cli\u003eCompatible with typical seals and gaskets used in modern engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does HPS compare to conventional or blended oils?\u003c\/h3\u003e\n\u003cp\u003eHPS is a full-synthetic formulation, not derived from crude-base conventional oil, so it offers improved thermal stability, oxidation resistance, and consistent viscosity under stress. Its additive blend is tuned for performance applications where extended protection and durability are priorities.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-synthetic base provides superior oxidation stability vs. conventional oils\u003c\/li\u003e\n  \u003cli\u003eFormulated specifically for higher loads, heat, and aggressive driving\u003c\/li\u003e\n  \u003cli\u003eEngine protection and performance focus over basic commodity oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple HPS 5W-20 (case of six one-quart bottles) is aimed at drivers wanting a performance-grade, full-synthetic motor oil with enhanced anti-wear chemistry. It's a good fit for owners of naturally aspirated or turbocharged gasoline engines that specify 5W-20 and for vehicles that have been modified or driven hard. If you prioritize strong film protection, thermal stability, and quick low-temperature flow—especially in vehicles no longer covered by manufacturer warranty—this product provides a higher-performance lubrication option than standard conventional oils.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Royal Purple HPS 5W-20 in turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. HPS 5W-20 is formulated for high-stress gasoline engines, including many turbocharged setups, offering enhanced anti-wear protection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change the oil when using Royal Purple HPS?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your vehicle manufacturer’s service interval; many users extend intervals slightly when using full-synthetic oils, but always verify by inspection and oil analysis.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585710948537,"sku":"B00ELHT41Y","price":177.66,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hps-5w-20-front-packaging.jpg?v=1790476471"},{"product_id":"royal-purple-hps-10w-30-synthetic-motor-oil-case-of-6-quarts-synerlec-anti-wear-protection","title":"Royal Purple HPS 10W-30 Synthetic Motor Oil — Case of 6 Quarts, Synerlec Anti-Wear Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HPS 10W-30 is a full synthetic motor oil formulated with Synerlec additive technology to protect high-performance and modified engines while improving mechanical efficiency.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis case contains six 1-quart bottles of Royal Purple HPS 10W-30 synthetic motor oil (SKU 36130-6PK). Engineered for drivers who demand elevated protection and performance beyond factory-fill lubricants, HPS blends a fully synthetic base with a fortified anti-wear package to help preserve engine components under strenuous conditions. Verify your vehicle owner's manual for recommended viscosity before use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does HPS 10W-30 protect engines under stress?\u003c\/h3\u003e\n\u003cp\u003eHPS uses a high level of zinc\/phosphorus anti-wear chemistry plus Royal Purple's Synerlec to fortify metal surfaces and resist breakdown under load. The formulation responds to pressure by maintaining film strength, reducing friction and potential wear during heavy use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec additive improves metal-to-metal contact resistance\u003c\/li\u003e\n  \u003cli\u003eHigh zinc\/phosphorus anti-wear agents for valve trains and bearings\u003c\/li\u003e\n  \u003cli\u003eStable viscosity at high temperatures to preserve lubricating film\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill 10W-30 synthetic oil help fuel economy or performance?\u003c\/h3\u003e\n\u003cp\u003eWhile gains depend on vehicle and driving conditions, a full synthetic like HPS can reduce internal friction compared with some conventional oils, which may translate to small improvements in efficiency and throttle response. Its low-temperature flow and high-temperature stability help engines run smoother across a wider temperature range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower friction formulation can aid horsepower and torque transfer\u003c\/li\u003e\n  \u003cli\u003e10W cold-flow rating helps quicker oil circulation on startup\u003c\/li\u003e\n  \u003cli\u003eResists oxidation to maintain long-term performance characteristics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil suitable for modified or out-of-warranty vehicles?\u003c\/h3\u003e\n\u003cp\u003eHPS is designed with high-performance and modified engines in mind and is frequently chosen for vehicles no longer under factory warranty where owners seek enhanced protection. Its additives and synthetic base are optimized to handle elevated loads and altered engine components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for performance, modified, or older engines seeking extra protection\u003c\/li\u003e\n  \u003cli\u003eNot specifically a factory-recommended warranty-fill for all vehicles—check manual\u003c\/li\u003e\n  \u003cli\u003eAvailable in multiple viscosities for different engine needs (5W-20 to 20W-50)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store this case of oil?\u003c\/h3\u003e\n\u003cp\u003eStore the sealed quarts upright in a cool, dry place away from direct sunlight and extreme temperatures. Follow the vehicle manufacturer’s oil change interval guidance or adjust based on driving style and conditions; dispose of used oil responsibly at a certified recycling facility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep bottles sealed until use to prevent contamination\u003c\/li\u003e\n  \u003cli\u003eUse correct oil weight per owner’s manual (10W-30 here)\u003c\/li\u003e\n  \u003cli\u003eRecycle used oil and containers at approved centers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers who own high-performance, modified, or older vehicles and want a full synthetic oil that prioritizes anti-wear protection and thermal stability. Also suited to enthusiasts seeking a premium lubricant with proven additive chemistry and those who prefer buying oil in multi-quart cases for workshop or fleet maintenance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFeatures: Maximum wear protection, increase horsepower and torque, advanced protection for performance and modified engines, exceptional oxidation stability.\u003c\/li\u003e\n  \u003cli\u003eViscosity: SAE 10W-30 — cold start rating 10W, operating rating 30.\u003c\/li\u003e\n  \u003cli\u003eContents: Six 1-quart bottles, Royal Purple HPS Series with Synerlec technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Royal Purple HPS 10W-30 in turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, HPS's anti-wear and thermal-stability additives are suitable for many turbocharged engines; confirm viscosity per your owner's manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oil appropriate for vehicles under factory warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HPS is often chosen for out-of-warranty performance use; check your warranty terms and manufacturer recommendations before switching.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585710883001,"sku":"B00ELHT3N8","price":183.84,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hps-front-packaging.jpg?v=1790476470"},{"product_id":"royal-purple-hps-10w-40-synthetic-motor-oil-case-of-6-quarts-synerlec-anti-wear-high-zinc","title":"Royal Purple HPS 10W-40 Synthetic Motor Oil, Case of 6 Quarts — Synerlec Anti‑Wear, High Zinc","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HPS 10W-40 is a full-synthetic high-performance motor oil formulated with Synerlec additive technology and elevated zinc\/phosphorus for superior protection in performance and modified engines.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis Royal Purple HPS 10W-40 synthetic motor oil (case of six 1-quart bottles) is engineered for drivers seeking stronger wear protection, improved thermal stability, and reliable film strength under elevated loads. Unlike conventional petroleum-based oils, the HPS line uses a synthetic base and a proprietary Synerlec additive package to provide a more consistent viscosity response across temperature ranges. Use it where SAE 10W-40 is recommended—especially in older or modified engines where enhanced anti-wear characteristics and oxidation resistance are valuable.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect engines during heavy use?\u003c\/h3\u003e\n\u003cp\u003eHPS 10W-40 contains a high concentration of zinc\/phosphorus anti-wear additives plus Synerlec to bolster the lubricant film when components see increased pressure. That reduces metal-to-metal contact and helps resist wear in high-load situations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFortified with elevated zinc\/phosphorus anti-wear chemistry.\u003c\/li\u003e\n  \u003cli\u003eSynerlec additive enhances film strength under pressure.\u003c\/li\u003e\n  \u003cli\u003eFull-synthetic base provides consistent viscosity at operating temperatures.\u003c\/li\u003e\n  \u003cli\u003eImproved oxidation stability reduces deposit formation over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this 10W-40 blend work in my vehicle year-round?\u003c\/h3\u003e\n\u003cp\u003eSAE 10W-40 is designed to perform across a broad temperature window: it flows adequately at colder startup temperatures labeled as 10W and maintains a 40-grade film at running temperature. Check your vehicle owner’s manual to confirm compatibility—10W-40 is commonly used in older gasoline engines, performance cars, and some high-mileage applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W cold-start rating supports moderate winter use.\u003c\/li\u003e\n  \u003cli\u003e40 at operating temperature sustains film strength under heat.\u003c\/li\u003e\n  \u003cli\u003eSuitable for many performance and modified engines out of warranty.\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for manufacturer-specified viscosity where different weights are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Royal Purple’s Synerlec differ from standard additives?\u003c\/h3\u003e\n\u003cp\u003eSynerlec is Royal Purple’s proprietary additive that works with the base oil to create a durable, molecular-level protective layer on metal surfaces. Rather than relying solely on conventional detergents and dispersants, Synerlec helps reduce friction and stabilizes the lubricant film when stress is applied.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForms a protective boundary layer that resists shear.\u003c\/li\u003e\n  \u003cli\u003eHelps preserve metal surfaces under severe conditions.\u003c\/li\u003e\n  \u003cli\u003eComplements zinc\/phosphorus anti-wear chemistry for broader protection.\u003c\/li\u003e\n  \u003cli\u003eDesigned to work in synthetic base stocks for consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits should I expect compared to conventional oils?\u003c\/h3\u003e\n\u003cp\u003eSwitching to a full-synthetic HPS 10W-40 typically improves thermal and oxidative stability, helps reduce engine wear under high loads, and can sustain oil performance for longer intervals in demanding use. It’s formulated to help maintain horsepower and torque by minimizing friction and protecting critical components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBetter oxidation resistance versus many conventional oils.\u003c\/li\u003e\n  \u003cli\u003ePotential reduction in wear through enhanced anti-wear additives.\u003c\/li\u003e\n  \u003cli\u003eConsistent viscosity at operating temperatures for reliable protection.\u003c\/li\u003e\n  \u003cli\u003eTargeted for performance and modified engines that need stronger protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple HPS 10W-40 (case of six 1-quart bottles) is aimed at owners of gasoline-powered cars and light trucks running SAE 10W-40 who want a full-synthetic lubricant with superior anti-wear chemistry. It’s especially appropriate for high-performance, modified, or older engines no longer under factory warranty where enhanced film strength, oxidation control, and elevated zinc\/phosphorus levels are desirable. Always confirm viscosity requirements and service specifications in your owner’s manual before switching oils.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Royal Purple HPS 10W-40 in turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, HPS 10W-40 is suitable for many turbocharged gasoline engines, offering enhanced film strength and oxidation resistance; verify viscosity and OEM specs first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I change this synthetic oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Change intervals depend on driving conditions and manufacturer guidance; many users extend intervals compared to conventional oil, but follow your owner's manual.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585711079609,"sku":"B00ELHT3M4","price":185.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hps-10w40-front-packaging.jpg?v=1790476469"},{"product_id":"royal-purple-0w-20-full-synthetic-motor-oil-1-quart-case-of-6-api-sn-dexos1-protection","title":"Royal Purple 0W-20 Full Synthetic Motor Oil 1-Quart - Case of 6, API SN\/Dexos1 Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple SAE 0W-20 is a full synthetic, API-licensed motor oil formulated to lubricate and protect modern gasoline and diesel engines while supporting better fuel economy and reduced wear.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 1-quart, case-of-six package contains Royal Purple's API SN \/ Dexos1-compatible 0W-20 high-performance synthetic motor oil. Designed as a direct replacement for conventional and other synthetic oils, the formulation combines advanced base stocks with proprietary additive chemistry to help maintain engine cleanliness, control friction, and protect critical components across a wide temperature range. Always consult your vehicle owner's manual to confirm 0W-20 is the recommended viscosity for your engine.\u003c\/p\u003e\n\n\u003ch3\u003eHow does 0W-20 perform in cold starts and high temperatures?\u003c\/h3\u003e\n\u003cp\u003eSAE 0W-20 indicates low viscosity at cold-start temperatures for fast oil circulation, and a stable viscosity at normal operating temperature for reliable protection. The formulation helps oil reach moving parts quickly during startup and maintain a protective film as the engine warms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0W rating for improved cold-flow and faster lubrication on startup\u003c\/li\u003e\n  \u003cli\u003e20 mid-range operating viscosity for consistent film strength at temperature\u003c\/li\u003e\n  \u003cli\u003eFull synthetic base stocks engineered for thermal stability and shear resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Royal Purple 0W-20 work with my current oil and engine?\u003c\/h3\u003e\n\u003cp\u003eThis oil is fully compatible with mineral and other synthetic motor oils, so no special flushing procedure is required when switching. Royal Purple recommends following the vehicle manufacturer's service interval, and for new engines, waiting until the first scheduled oil change before upgrading.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAPI SN licensed and meets ILSAC GF-5, Dexos1 performance targets\u003c\/li\u003e\n  \u003cli\u003eCan be mixed with existing oil during a normal change\u003c\/li\u003e\n  \u003cli\u003eSuitable for modern gasoline and some light-duty diesel applications per owner manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection and performance benefits can I expect?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple blends premium base oils with specialized additives to address wear, deposits, corrosion, and fuel-related stresses. The result is targeted protection for bearings, cam lobes, and other precision engine parts while helping preserve catalytic emission systems and improve compatibility with ethanol-blended fuels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved wear protection for extended component life\u003c\/li\u003e\n  \u003cli\u003eFormulation supports better fuel efficiency under typical driving conditions\u003c\/li\u003e\n  \u003cli\u003eDesigned to protect emission control systems and resist corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store this product?\u003c\/h3\u003e\n\u003cp\u003eUse Royal Purple 0W-20 according to your vehicle’s oil capacity and change interval. Store sealed quarts upright in a cool, dry place out of direct sunlight and away from extreme temperatures to preserve additive integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow the owner’s manual for correct oil capacity and change frequency\u003c\/li\u003e\n  \u003cli\u003eKeep in original container and avoid contamination with dirt or other fluids\u003c\/li\u003e\n  \u003cli\u003eDispose of used oil responsibly at recycling centers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Vehicle owners and professional technicians who need a high-quality, full synthetic 0W-20 motor oil that meets modern API and OEM performance specs. It’s suited for drivers seeking improved cold-start response, reliable high-temperature stability, and compatibility with emission systems—especially for cars and light trucks specifying 0W-20. If you prefer a ready case quantity for fleet maintenance or regular personal servicing, this six-quart pack offers convenience and consistent product supply.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix Royal Purple 0W-20 with my current oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Royal Purple 0W-20 is compatible with mineral and synthetic oils, so mixing during a normal oil change is acceptable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this oil meet vehicle manufacturer specs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This product is API SN licensed and meets ILSAC GF-5 and Dexos1 performance requirements where 0W-20 is specified.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585794441401,"sku":"B00ELHTA72","price":183.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-0w20-front-quart-packaging.jpg?v=1790477663"},{"product_id":"royal-purple-sae-5w-20-synthetic-motor-oil-1-qt-case-of-6-api-sn-fuel-saving-wear-protection","title":"Royal Purple SAE 5W-20 Synthetic Motor Oil — 1 qt Case of 6, API SN, Fuel-Saving Wear Protection","description":"\u003cstrong\u003eRoyal Purple SAE 5W-20 is a fully synthetic, API‑licensed motor oil engineered to reduce wear, support fuel economy, and protect modern gasoline and light‑duty diesel engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis premium 5W‑20 synthetic motor oil comes in one‑quart containers sold as a case of six and is formulated for drivers who want reliable lubrication under a broad range of temperatures. Unlike conventional oils refined from crude, Royal Purple's formula blends advanced synthetic base stocks with proprietary additives to control friction, help keep engine surfaces clean, and support emission systems. It meets API SN specifications and is compatible with ILSAC GF‑5 and Dexos1 requirements, making it suitable for many late‑model vehicles—still check your owner’s manual for the recommended viscosity.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Royal Purple SAE 5W‑20 perform in cold starts?\u003c\/h3\u003e\n\u003cp\u003eThis oil carries a 5W rating for cold conditions, which means it remains fluid enough at low temperatures to circulate quickly at startup. Faster oil flow reduces metal‑to‑metal contact immediately after engine start, helping decrease early wear during warm‑up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e5W cold viscosity helps quicker lubrication on startup\u003c\/li\u003e\n  \u003cli\u003eSynthetic base stocks flow more consistently in low temperatures\u003c\/li\u003e\n  \u003cli\u003eReduces initial engine wear during repeated cold starts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil help fuel economy and engine protection?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple combines low‑viscosity performance with friction‑reducing additives intended to improve mechanical efficiency, which can contribute to modest fuel‑economy gains. Its additive package also focuses on wear protection and deposit control to maintain engine component life under everyday driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower internal friction supports marginal fuel savings\u003c\/li\u003e\n  \u003cli\u003eDetergents and dispersants help keep engine internals cleaner\u003c\/li\u003e\n  \u003cli\u003eAnti‑wear chemistry protects bearings and cam lobes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil compatible with my vehicle and other oils?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple SAE 5W‑20 is fully compatible with both conventional mineral oils and other synthetic formulations, so it can be mixed if necessary. Royal Purple recommends following the manufacturer’s scheduled first oil change for new gasoline engines before switching, and always verifying viscosity and spec requirements in your owner’s manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAPI SN licensed and meets ILSAC GF‑5 and Dexos1 parameters\u003c\/li\u003e\n  \u003cli\u003eMixable with conventional and synthetic oils in service situations\u003c\/li\u003e\n  \u003cli\u003eRefer to vehicle manual for approved viscosity grades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I switch to Royal Purple and what maintenance notes matter?\u003c\/h3\u003e\n\u003cp\u003eNo special flushing or adaptation steps are required when upgrading to Royal Purple; normal drain and fill procedures apply. Keep standard oil‑change intervals and monitor oil level and condition—use the manufacturer’s guidance to determine service frequency based on driving style and conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple drain and fill when changing oils—no additives required\u003c\/li\u003e\n  \u003cli\u003eMaintain regular monitoring of oil level and color\u003c\/li\u003e\n  \u003cli\u003eObserve OEM service intervals for best longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho is this for:\u003c\/strong\u003e This 1‑quart, case‑of‑six pack is aimed at enthusiasts, independent mechanics, fleet operators, or anyone who prefers stocking a proven, high‑performance synthetic oil. It suits owners of gasoline and light diesel vehicles that specify SAE 5W‑20 and require API SN\/ILSAC GF‑5\/Dexos1 compliance, especially those wanting improved cold‑start response, cleaner engines, and enhanced wear protection without a complicated installation process.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix Royal Purple SAE 5W‑20 with conventional oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is compatible with conventional and other synthetic oils, though full performance is best after a complete drain and refill.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this oil suitable for diesel engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It supports light‑duty diesel and gasoline engines meeting API SN\/Dexos1 specs; check your owner’s manual for approval.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585794474169,"sku":"B00ELHTC5C","price":167.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-packaging-1qt.jpg?v=1790477662"},{"product_id":"royal-purple-max-gear-75w-90-gear-oil-3-1-quart-case-api-gl-5-gl-4-protection-and-improved-efficiency","title":"Royal Purple Max Gear 75W-90 Gear Oil — 3×1-Quart Case, API GL-5\/GL-4 Protection and Improved Efficiency","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max Gear 75W-90 is a high-performance hypoid gear oil sold as a case of three 1‑quart bottles, engineered to protect heavily loaded differentials and manual transmissions while improving drivetrain efficiency.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMax Gear combines premium synthetic base oils with Royal Purple’s Synerlec additive technology to deliver advanced protection for hypoid gears, bearings and synchronizers. Formulated to meet API GL-5 and GL-4 requirements, this 75W‑90 oil resists corrosion of soft yellow metals, separates quickly from water, and works in limited-slip differentials without extra additives. The result is quieter, cooler-running gears and extended component life under severe service conditions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Max Gear 75W‑90 protect gears and bearings?\u003c\/h3\u003e\n\u003cp\u003eMax Gear builds a durable lubricating film that reduces friction and metal-to-metal contact in hypoid gears and heavily loaded bearings. The Synerlec additive package is engineered to improve load-carrying capacity and resist wear in extreme pressure situations without harming yellow metals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced extreme-pressure protection for hypoid and spiral-bevel gears\u003c\/li\u003e\n  \u003cli\u003eFriction modifiers that lower operating temperatures and drag\u003c\/li\u003e\n  \u003cli\u003eNon-corrosive to brass, bronze and copper components\u003c\/li\u003e\n  \u003cli\u003eRapid water separation to maintain film strength in contaminated environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work in my differential, manual transmission or marine lower unit?\u003c\/h3\u003e\n\u003cp\u003eYes — Max Gear is recommended for front and rear differentials, manual transmissions, and lower gear units that call for API GL‑5 or GL‑4 gear oils. It is also formulated to be safe in limited-slip differentials, eliminating the need for extra additives in most applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeets API GL‑5 and GL‑4 specifications for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eSuitable for limited-slip differentials without additional friction modifiers\u003c\/li\u003e\n  \u003cli\u003eApproved for many automotive, truck and marine lower gear unit applications\u003c\/li\u003e\n  \u003cli\u003eAvailable as a convenient 3 × 1‑quart case for topping off or small repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max Gear affect performance and efficiency?\u003c\/h3\u003e\n\u003cp\u003eBy lowering the coefficient of friction and reducing internal drag, Max Gear helps gears run smoother and cooler. That reduced drag can translate to more efficient power transfer through the drivetrain, which may help fuel economy for trucks and 4‑wheel drive vehicles when compared with conventional gear oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLower friction for smoother, quieter operation\u003c\/li\u003e\n  \u003cli\u003eReduced operating temperature under heavy loads\u003c\/li\u003e\n  \u003cli\u003eFormulation designed to help maintain horsepower through the drivetrain\u003c\/li\u003e\n  \u003cli\u003eEngineered to extend service intervals by protecting gear and bearing surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple Max Gear 75W‑90 in this three‑quart case is aimed at vehicle owners, fleet operators and marine technicians who need a high-quality hypoid gear oil for maintenance or repair. It’s a good match for those who want stronger corrosion protection, improved load-handling and drivetrain efficiency without adding aftermarket friction modifiers. Use this set for topping off differentials, small service jobs, or keeping a reliable reserve on hand for trucks, off‑road vehicles and boats that specify GL‑5 or GL‑4 gear oils.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple Max Gear 75W‑90 safe for limited‑slip differentials?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Max Gear is formulated with friction modifiers and is suitable for most limited‑slip differentials without adding extra additives.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil in both marine lower units and truck differentials?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It meets API GL‑5\/GL‑4 and is recommended for truck differentials, manual transmissions, and compatible marine lower gear units.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585824784569,"sku":"B074WC7XSD","price":143.42,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-gear-75w-90-front-label.jpg?v=1790478270"},{"product_id":"royal-purple-max-clean-fuel-system-cleaner-stabilizer-20-oz-bottles-pack-of-2-concentrated-3-in-1","title":"Royal Purple Max-Clean Fuel System Cleaner \u0026 Stabilizer, 20 oz Bottles (Pack of 2) — Concentrated 3-in-1","description":"\u003cb\u003eRoyal Purple Max-Clean is a concentrated 3-in-1 fuel system additive that cleans injectors and intake valves, stabilizes fuel for storage, and helps recover lost efficiency in gasoline engines.\u003c\/b\u003e\n\n\u003cp\u003eDesigned for modern gasoline engines, Royal Purple Max-Clean combines detergency, stability, and friction-reduction chemistry in a single bottle. Each 20 oz container treats multiple tanks of fuel so you can perform routine maintenance or prepare a vehicle for seasonal storage. The formula is compatible with gasoline, ethanol blends up to E85, and turbocharged or direct-injection engines, making it a versatile option for cars, trucks, ATVs, lawn equipment, and boats.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this product clean my engine’s fuel system?\u003c\/h3\u003e\n\u003cp\u003eMax-Clean uses potent detergent agents that break down gum, varnish, and carbon deposits that accumulate on injectors, intake valves, and combustion chambers. Regular use restores spray patterns and promotes more complete combustion without disassembling components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoves deposits from fuel injectors and intake ports\u003c\/li\u003e\n  \u003cli\u003eRestores fuel spray pattern for better atomization\u003c\/li\u003e\n  \u003cli\u003eReduces rough idle and hesitation caused by buildup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it help my fuel economy and performance?\u003c\/h3\u003e\n\u003cp\u003eBy clearing deposits that impede fuel delivery and combustion, Max-Clean helps engines run more efficiently. Users commonly see modest improvements in fuel mileage and throttle response when the fuel system is cleaned and maintained regularly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves combustion consistency for smoother power delivery\u003c\/li\u003e\n  \u003cli\u003eMay recover lost miles per gallon from clogged components\u003c\/li\u003e\n  \u003cli\u003eCan reduce pinging or knocking due to cleaner burn\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use it and how much fuel does one bottle treat?\u003c\/h3\u003e\n\u003cp\u003ePour the recommended dose directly into the fuel tank before filling with gas. Dosage rates are printed on the bottle and vary by tank capacity—one 20 oz bottle typically treats multiple tanks depending on concentration and vehicle requirements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the full bottle for heavy deposits or long-term maintenance\u003c\/li\u003e\n  \u003cli\u003eAdd before filling to ensure immediate mixing with fuel\u003c\/li\u003e\n  \u003cli\u003eSafe for emissions systems and most fuel-system materials when used as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this product for storage or seasonal layup?\u003c\/h3\u003e\n\u003cp\u003eYes — the stabilizer component of Max-Clean helps protect fuel during storage by slowing oxidation and phase separation in ethanol blends. Treated fuel resists varnish and gum formation, making startups after storage easier and reducing the need for repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStabilizes gasoline for several months in off-season storage\u003c\/li\u003e\n  \u003cli\u003ePrevents varnish buildup while equipment is idle\u003c\/li\u003e\n  \u003cli\u003eHelps ensure easier cold starts after long storage periods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max-Clean is aimed at vehicle owners and small-engine operators who want a straightforward, concentrated treatment for cleaner fuel systems and more reliable performance. It’s suitable for drivers wanting preventative maintenance, owners recovering performance losses from deposit buildup, and anyone preparing vehicles or equipment for seasonal storage. Professional technicians and DIY enthusiasts both benefit from this easy-to-use, broadly compatible formula.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use Royal Purple Max-Clean?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use each 20 oz bottle every few fill-ups for maintenance or as directed on the label; use one bottle before long-term storage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max-Clean safe for turbocharged and direct-injection engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula is compatible with turbocharged and direct-injection gasoline engines when used according to instructions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585864106169,"sku":"B01B3TKGJQ","price":121.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-clean-front-label.jpg?v=1790478973"},{"product_id":"royal-purple-fuel-injector-cleaner-18000-max-atomizer-6-oz-10-pack-concentrated-for-gas-engines","title":"Royal Purple Fuel Injector Cleaner 18000 Max Atomizer 6 oz — 10-Pack, Concentrated for Gas Engines","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 18000 Max Atomizer is a concentrated fuel system and injector cleaner in a convenient 6 oz size, sold here as a 10-pack for regular maintenance and fleet use.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your engine has sluggish throttle response, uneven idle, or you want to reduce deposits in fuel injectors and intake ports, a targeted fuel-system treatment can restore better spray patterns and combustion consistency. Royal Purple engineered this 6 oz Max Atomizer formula to dissolve varnish and deposits left by modern gasoline blends, and packaging it as a 10-count bundle makes scheduled treatments easy and cost-effective for multiple vehicles or frequent use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this fuel injector cleaner help my engine run more smoothly?\u003c\/h3\u003e\n\u003cp\u003eThe 18000 Max Atomizer works by breaking up carbon, varnish, and gum that accumulate on injectors and intake components. Cleaner injectors atomize fuel more evenly, which can improve idle stability and throttle response without mechanical disassembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTargets deposits on injector tips and intake valves\u003c\/li\u003e\n  \u003cli\u003eImproves fuel spray pattern for better vaporization\u003c\/li\u003e\n  \u003cli\u003eFormulated for modern gasoline blends and direct-injection systems\u003c\/li\u003e\n  \u003cli\u003e6 oz dose designed for a single treatment per tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen and how should I use the 6 oz bottle?\u003c\/h3\u003e\n\u003cp\u003eFor most passenger cars and light trucks, add one 6 oz Max Atomizer bottle to a near-empty fuel tank before filling. This dosing method helps the cleaner mix thoroughly with fresh gasoline and reach the entire fuel system quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse one bottle per treatment as directed on the label\u003c\/li\u003e\n  \u003cli\u003eBest used during regular maintenance intervals or when deposit symptoms appear\u003c\/li\u003e\n  \u003cli\u003eSafe with catalytic converters when used per instructions\u003c\/li\u003e\n  \u003cli\u003e10-pack allows scheduled treatments or service-shop stocking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product work with my vehicle type and fuel?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple 18000 Max Atomizer is formulated for gasoline engines across a wide range of vehicles, including older port-injected engines and many modern direct-injection systems. Always follow the product label for compatibility and dosage recommendations specific to your engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with most gasoline-powered passenger cars, SUVs, and light trucks\u003c\/li\u003e\n  \u003cli\u003eDesigned to be effective on both port and direct-injected engines\u003c\/li\u003e\n  \u003cli\u003eNot intended for diesel engines or non-gasoline fuel systems\u003c\/li\u003e\n  \u003cli\u003eConsult vehicle manual or product label for any special cautions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Fleet managers, independent mechanics, and car owners who prioritize proactive fuel-system maintenance will find the 10-pack especially practical. If you perform regular tune-ups, manage multiple vehicles, or prefer having a supply on hand for recurring treatments, this bundle delivers consistent, concentrated cleaner in an easy-to-store size. It’s suitable for anyone who wants a targeted, professional-grade additive to reduce injector deposits and help maintain combustion efficiency over time.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use Royal Purple 18000 Max Atomizer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use one 6 oz bottle per treatment when recommended symptoms appear or as part of scheduled maintenance, typically every 3,000–5,000 miles depending on driving and fuel quality.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this in direct-injection engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the formula is designed to work with many modern direct-injection and port-injection gasoline engines when used according to the label.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585881997497,"sku":"B0892M582X","price":157.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-18000-max-atomizer-front-packaging.jpg?v=1790479163"},{"product_id":"royal-purple-max-boost-octane-booster-16-fl-oz-6-pack-raises-octane-stabilizes-fuel","title":"Royal Purple Max-Boost Octane Booster 16 fl. oz. (6 Pack) — Raises Octane \u0026 Stabilizes Fuel","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max-Boost is a concentrated octane booster and fuel-stabilizing treatment designed to raise gasoline octane and reduce engine knock in performance and racing applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMax-Boost from Royal Purple is formulated for drivers and racers who want a fast, reliable way to increase fuel octane and improve combustion stability. It contains MMT and other chemistry tuned to deliver significant octane lift, help prevent pre-ignition and reduce pinging from low-octane gasoline, while also helping keep fuel stable during storage or intermittent use. The product is supplied here in a convenient 16 fl. oz bottle sold as a six-pack for frequent use or multiple vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow much octane increase can I expect from a single treatment?\u003c\/h3\u003e\n\n\u003cp\u003eDepending on fuel quality and dosage, Max-Boost can raise octane substantially — often by several research octane numbers — which helps engines run closer to intended timing without knock. Gains vary by starting octane and engine characteristics, so follow recommended dosing for predictable results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical increase: up to about 30 AKI points or 3 octane numbers in optimal conditions\u003c\/li\u003e\n  \u003cli\u003eDosage: follow bottle directions for your fuel tank size to match targeted octane lift\u003c\/li\u003e\n  \u003cli\u003eUse cases: periodic boost for racing, high-compression builds, or poor-quality fuel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Max-Boost protect my engine from detonation and pre-ignition?\u003c\/h3\u003e\n\n\u003cp\u003eMax-Boost is formulated to reduce detonation and limit pinging caused by insufficient octane, helping combustion occur at the intended time. While it reduces the risk of knock in many situations, it does not change ignition timing or replace proper engine tuning; it should be part of an overall performance strategy.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMolecular additive (MMT) increases fuel resistance to knock\u003c\/li\u003e\n  \u003cli\u003eHelps stabilize combustion for smoother power delivery under load\u003c\/li\u003e\n  \u003cli\u003eWorks best when combined with correct ignition timing and engine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max-Boost help with fuel stability and emissions?\u003c\/h3\u003e\n\n\u003cp\u003eIn addition to octane enhancement, Max-Boost contains stabilizing agents that slow fuel degradation during storage and intermittent use, which is useful for seasonal vehicles and race cars. Better fuel stability can support cleaner combustion, which may in turn reduce certain tailpipe byproducts relative to degraded fuel, though emissions depend on the whole engine system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel stabilizers reduce oxidation and varnish buildup over time\u003c\/li\u003e\n  \u003cli\u003eSmoother combustion can decrease incomplete burn-related deposits\u003c\/li\u003e\n  \u003cli\u003eRecommended for stored vehicles, infrequently used engines, and race prep\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use this 6-pack to get consistent results?\u003c\/h3\u003e\n\n\u003cp\u003eEach 16 fl. oz bottle mixes with a range of tank sizes depending on desired octane lift. Use one bottle per recommended quantity of fuel, store unopened bottles in a cool, dry place, and add the treatment to a full tank for best mixing. Maintain records of which tanks and vehicles received treatment to ensure repeatable performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd to a full tank and run briefly to ensure even mixing\u003c\/li\u003e\n  \u003cli\u003eKeep spare bottles for quick dosing at the track or during long trips\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle manufacturer guidelines when increasing octane\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max-Boost is intended for racing teams, performance enthusiasts, and anyone who needs reliable octane lift or fuel stabilization. It's suited to high-compression engines, forced-induction applications, classic cars in storage, and situations where pump fuel quality is inconsistent. Do not use as a substitute for proper engine tuning; consult your vehicle's service recommendations when making significant octane changes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Max-Boost be used with any gasoline type?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is formulated for standard gasoline; results depend on starting octane and tank size. Always follow dosing instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max-Boost safe for turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it can help reduce knock in turbo engines, but pair with proper tuning and manufacturer recommendations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67585918271673,"sku":"B072K4S96B","price":156.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-boost-front-packaging.jpg?v=1790479912"},{"product_id":"royal-purple-2-cycle-synthetic-oil-hp-2-c-1-gallon-racing-grade-boosts-power-lowers-friction","title":"Royal Purple 2-Cycle Synthetic Oil HP 2-C — 1 Gallon Racing-Grade, Boosts Power \u0026 Lowers Friction","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 04311 HP 2-C is a full-synthetic pre-mix 2-stroke engine oil engineered to boost power, lower friction and keep combustion ports and plugs cleaner in high-performance racing applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt for demanding two-stroke racing engines, this one-gallon concentrate from Royal Purple delivers the thermal stability, detergency and lubricity racers and performance enthusiasts expect from a synthetic formulation. It’s formulated for total-loss lubrication systems where oil is mixed with fuel before combustion, and is optimized to help engines run cooler and maintain efficiency under high loads.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple’s synthetic base and friction-reducing chemistry aim to lower internal friction, which can translate into better throttle response and slightly higher peak output in tuned two-stroke engines. The cleaner combustion chamber and exhaust pathways help preserve flow and combustion efficiency over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-synthetic base promotes consistent film strength at high temperatures\u003c\/li\u003e\n  \u003cli\u003eLow coefficient of friction supports improved throttle response\u003c\/li\u003e\n  \u003cli\u003eDetergent action reduces deposit buildup on spark plugs and exhaust ports\u003c\/li\u003e\n  \u003cli\u003eFormulated for racing-style pre-mix setups, not for oil-injection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it keep plugs and exhaust ports cleaner?\u003c\/h3\u003e\n\u003cp\u003eYes — the solvency and detergents in this formula are tuned to minimize carbon and varnish that can foul plugs and clog exhaust passages. Cleaner combustion components maintain peak combustion efficiency and reduce the need for frequent decarbonizing maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh solvency helps dissolve deposits before they adhere\u003c\/li\u003e\n  \u003cli\u003eReduces visible carbon buildup on plugs and port faces\u003c\/li\u003e\n  \u003cli\u003eSupports longer intervals between manual cleaning in racing contexts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this suitable for my two-stroke application and how should I use it?\u003c\/h3\u003e\n\u003cp\u003eUse Royal Purple 04311 HP 2-C in gasoline two-stroke engines that require pre-mix lubrication — mix the oil directly with fuel at the manufacturer or tuner’s recommended ratio. This product is not recommended for stock oil-injection systems, so check your machine’s lubrication method before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for pre-mix (total-loss) two-stroke racing engines\u003c\/li\u003e\n  \u003cli\u003eFollow engine builder or OEM mixing ratios for best results\u003c\/li\u003e\n  \u003cli\u003eNot advised for oil-injection systems or electronically metered feeds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection does it offer against wear and heat?\u003c\/h3\u003e\n\u003cp\u003eHigh-performance synthetics like this one provide strong thermal stability and film strength at elevated engine temperatures, helping reduce wear on moving parts. The additive package also targets oxidation and breakdown, which helps preserve protective qualities during prolonged high-RPM use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermally stable synthetic base resists thinning under heat\u003c\/li\u003e\n  \u003cli\u003eAdditives help guard against wear in high-stress components\u003c\/li\u003e\n  \u003cli\u003eEngine cleanliness and lower friction support sustained performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple 04311 HP 2-C is aimed at racers, engine builders and performance riders using pre-mix two-stroke gasoline engines who want a full-synthetic option that emphasizes cleanliness, thermal stability and friction reduction. It’s a fit for competition karts, motocross bikes, snowmobiles and marine outboards where the lubrication system is total-loss and high performance is the priority. If your machine uses a stock oil-injection system, choose a product specified for that configuration instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this with my oil-injection two-stroke system?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Royal Purple 04311 HP 2-C is formulated for pre-mix (total-loss) systems and is not recommended for stock oil-injection setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What mixing ratio should I use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow your engine maker or tuner’s recommended fuel-to-oil ratio; mixing ratios vary by engine type and tuning requirements.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586216624313,"sku":"B000BRP65G","price":144.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-04311-gallon-front-label.jpg?v=1790480999"},{"product_id":"royal-purple-hmx-high-mileage-synthetic-motor-oil-5w-20-5-quart-synerlec-protection-seal-conditioner","title":"Royal Purple HMX High‑Mileage Synthetic Motor Oil 5W‑20 — 5 Quart, Synerlec Protection \u0026 Seal Conditioner","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HMX w\/Synerlec 5W-20 is a premium synthetic motor oil engineered to protect and revive higher‑mileage engines by reducing wear, controlling oil consumption, and keeping internal parts clean.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eRoyal Purple HMX combines fortified zinc\/phosphorus anti‑wear chemistry with the brand’s Synerlec® proprietary additive system to strengthen the oil film, resist oxidation, and help restore performance in older or high‑mileage powerplants. Formulated specifically to address wear and hardened seals, this 5W‑20 grade is designed to maintain viscosity in cold starts while providing durable protection under normal operating temperatures. It’s suitable for drivers looking to extend engine life, cut down on deposit formation, and reduce oil consumption common in aging engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow does HMX w\/Synerlec reduce wear in high‑mileage engines?\u003c\/h3\u003e\n\u003cp\u003eHMX is fortified with elevated levels of zinc and phosphorus anti‑wear additives that form a protective layer on metal surfaces. Synerlec technology enhances film strength and lowers friction, which reduces metal‑to‑metal contact during operation and start‑up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc\/phosphorus additive package for boundary lubrication protection\u003c\/li\u003e\n  \u003cli\u003eSynerlec increases oil film adhesion to critical engine parts\u003c\/li\u003e\n  \u003cli\u003eReduced start‑up wear through improved low‑temperature flow and film retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this oil help with oil consumption and seal performance?\u003c\/h3\u003e\n\u003cp\u003eYes—HMX contains conditioners aimed at revitalizing hardened seals and gaskets common in older engines. By softening seals and improving oil flow, it can reduce leaks and slow excessive consumption, helping the engine hold onto oil longer between fills.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeal‑conditioner chemistry to restore pliability to older rubber seals\u003c\/li\u003e\n  \u003cli\u003eLower volatility and controlled base oil characteristics to minimize burn‑off\u003c\/li\u003e\n  \u003cli\u003eThorough detergency to prevent deposits that accelerate seal wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat role does Synerlec play in performance and drain intervals?\u003c\/h3\u003e\n\u003cp\u003eSynerlec is Royal Purple’s proprietary additive technology that increases film strength and offers oxidation resistance. Stronger film reduces friction and start‑up wear, while oxidation stability helps the oil resist breakdown, potentially supporting safe, extended drain intervals when following manufacturer guidelines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved oxidation stability for reduced sludge and varnish formation\u003c\/li\u003e\n  \u003cli\u003eEnhanced film strength lowers mechanical friction and wear\u003c\/li\u003e\n  \u003cli\u003eIonic attraction to metal surfaces helps maintain lubricating films during operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil compatible with modern engines and emissions systems?\u003c\/h3\u003e\n\u003cp\u003eHMX 5W‑20 is formulated for use where a 5W‑20 viscosity is specified; it provides protection suitable for both naturally aspirated and turbocharged engines commonly calling for this grade. It is important to follow vehicle manufacturer recommendations for oil specification and change intervals, especially for engines with emission control systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse where 5W‑20 viscosity is recommended by the manufacturer\u003c\/li\u003e\n  \u003cli\u003eDesigned to balance protection with modern engine tolerances and clearances\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for oils requiring specific OEM chemical approvals unless explicitly listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple HMX w\/Synerlec 5W‑20 is aimed at owners of higher‑mileage or aging vehicles who want extra anti‑wear protection, improved seal performance, and cleaner internals without changing the required viscosity grade. It’s a good option for drivers seeking a premium synthetic solution to reduce oil consumption, maintain engine cleanliness, and protect against wear during everyday driving. Always verify that 5W‑20 meets your vehicle manufacturer’s requirements before switching oils.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I switch to Royal Purple HMX 5W-20 from another oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if your vehicle calls for 5W‑20. Drain the old oil and filter per service recommendations and then refill with HMX 5W‑20.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this oil extend my oil change intervals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HMX offers enhanced oxidation stability, but you should follow your vehicle maker’s recommended drain interval before extending changes.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586417557689,"sku":"B07NYTBP38","price":129.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hmx-5w20-front-quart.jpg?v=1790483142"},{"product_id":"royal-purple-hps-20w-50-synthetic-motor-oil-case-of-6-x-1-qt-synerlec-high-zn-ph-anti-wear","title":"Royal Purple HPS 20W-50 Synthetic Motor Oil — Case of 6 x 1 Qt, Synerlec High-Zn\/Ph Anti-Wear","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HPS 20W-50 is a full-synthetic high-performance motor oil formulated with Synerlec additive technology and elevated zinc\/phosphorus anti-wear agents to protect and enhance engines operating under heavy loads and high temperatures.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis six-quart case contains Royal Purple's HPS (High Performance Street) 20W-50 motor oil in one-quart bottles, designed for drivers who want a tougher-than-stock lubricant for older, modified, or performance engines. Unlike conventional oils derived from crude, this full synthetic formulation is engineered to provide consistent viscosity at operating temperatures, stronger film strength, and improved metal-to-metal protection under stress. It responds to increased pressures by maintaining robust lubrication and helps preserve engine life when conditions become severe.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does 20W-50 mean for my engine?\u003c\/h3\u003e\n\u003cp\u003eSAE 20W-50 indicates the oil’s cold-start and operating-temperature viscosity grades. The \"20W\" number describes how the oil flows at low temperatures during startup, and \"50\" describes its thickness at normal engine operating temperature. This higher hot-viscosity rating helps maintain a protective film in older engines, high-mileage vehicles, or engines running hotter due to modifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCold-flow rating helps with startup protection in cooler conditions.\u003c\/li\u003e\n  \u003cli\u003eHigh operating viscosity preserves lubrication under heat and heavy load.\u003c\/li\u003e\n  \u003cli\u003eGood fit for older, high-mileage, or performance-tuned engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Synerlec additive technology improve protection?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple’s proprietary Synerlec additive is a surface-active chemistry that enhances metal-to-metal protection by forming a durable molecular film on contact areas. Combined with a higher concentration of zinc and phosphorus anti-wear components, it helps reduce friction and wear during severe driving conditions without relying on higher base-oil viscosity alone. The result is improved durability where bearings, cam lobes, and other critical parts meet.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSurface-conditioning chemistry reduces metal wear under pressure.\u003c\/li\u003e\n  \u003cli\u003eHigh zinc\/phosphorus content provides extra anti-wear protection.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain component integrity during heavy loads and high temps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work for my vehicle and driving style?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple HPS 20W-50 is intended for vehicles that specifically call for or can accept a 20W-50 viscosity, particularly those out of factory warranty, classic cars, hot rods, or modified engines that run hotter or have higher clearances. Always consult your owner’s manual before changing viscosity. For daily-driver modern vehicles still under warranty, verify compatibility first, since many manufacturers specify lower-viscosity oils for warranty compliance and emissions concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for high-mileage, older, or performance engines.\u003c\/li\u003e\n  \u003cli\u003eNot universally required for late-model cars with lower-viscosity specs.\u003c\/li\u003e\n  \u003cli\u003eBest for drivers seeking enhanced wear protection and thermal stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat measurable benefits can I expect from using HPS 20W-50?\u003c\/h3\u003e\n\u003cp\u003eThis oil is engineered to deliver superior film strength, reduce friction at metal contacts, and offer improved corrosion protection compared with many conventional oils. Users typically choose HPS for its combination of wear prevention and thermal resilience rather than for low-cost maintenance. Because it’s full synthetic, it also helps maintain cleaner internal surfaces and more consistent lubrication across broader temperature ranges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved corrosion resistance for longer engine life.\u003c\/li\u003e\n  \u003cli\u003eEnhanced sealing and ring-to-cylinder contact to maximize torque and horsepower.\u003c\/li\u003e\n  \u003cli\u003eHigh film strength reduces wear and lowers operating temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple HPS 20W-50 (case of six 1-quart bottles) is aimed at owners of older, modified, or high-performance vehicles who need a robust, full-synthetic lubricant with advanced anti-wear chemistry. If you drive a vehicle out of factory warranty, run higher-than-stock operating temperatures, or want an oil formulated to protect under severe conditions, this product provides a performance-focused option. If your vehicle requires a different SAE grade per the manufacturer, select that specified viscosity instead.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I switch from conventional oil to Royal Purple HPS 20W-50?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, if your engine can use 20W-50. Change intervals and compatibility depend on your vehicle; check the owner’s manual before switching.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is HPS 20W-50 suitable for high-mileage engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its higher hot-viscosity and additives help maintain film strength and reduce wear in older or higher-mileage engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586497315001,"sku":"B00ELHT3QK","price":185.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hps-20w50-front-packaging.jpg?v=1790484836"},{"product_id":"royal-purple-sae-5w-40-synthetic-motor-oil-case-of-6-quart-bottles-api-sn-dexos1-approved-high-performance-protection","title":"Royal Purple SAE 5W-40 Synthetic Motor Oil Case of 6 Quart Bottles — API SN, Dexos1 Approved, High-Performance Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple SAE 5W-40 is a fully synthetic, API-licensed motor oil engineered to protect and optimize gasoline and diesel engines across a wide temperature range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 1-quart case of six bottles contains Royal Purple's API SN licensed SAE 5W-40 high-performance synthetic motor oil, formulated from premium base stocks and proprietary additives. It delivers a consistent viscosity at cold starts and stable film strength at operating temperatures, making it suitable for many modern engines. The product meets ILSAC GF-5 and Dexos1 performance requirements and is compatible with mineral and other synthetic oils, letting you switch without special procedures after initial manufacturer recommendations.\u003c\/p\u003e\n\n\u003ch3\u003eHow does SAE 5W-40 behave in cold starts and hot running conditions?\u003c\/h3\u003e\n\u003cp\u003eSAE 5W-40 has a low cold viscosity rating (5W) for easier cranking and faster oil circulation on cold starts, and a 40 rating at operating temperature for robust film strength. That dual-range helps maintain lubrication during temperature swings without thinning excessively under heat.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCold-weather flow: 5W rating improves pumpability at low temperatures.\u003c\/li\u003e\n  \u003cli\u003eHot stability: 40 rating retains protective film under normal running heat.\u003c\/li\u003e\n  \u003cli\u003eConsistent lubrication reduces start-up wear and heat-related thinning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill switching to Royal Purple improve engine protection and efficiency?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple combines high-quality synthetic base oils with a proprietary additive package designed to reduce wear, control deposits, and protect emission components. That formulation aims to support better mechanical efficiency and corrosion resistance compared with many conventional oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWear protection: additive chemistry reduces metal-to-metal contact.\u003c\/li\u003e\n  \u003cli\u003eFuel economy: synthetic base oils and friction modifiers can improve efficiency.\u003c\/li\u003e\n  \u003cli\u003eEmission system care: formulated to help protect catalytic converters and sensors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this oil compatible with my engine and existing oil?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple SAE 5W-40 is backward-compatible with mineral and other synthetic oils, so you can top off or change without special flushing procedures, though the brand recommends waiting until the manufacturer’s first scheduled oil change when upgrading a new gasoline engine. Always confirm your vehicle’s owner manual for recommended viscosity and performance specifications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-compatibility: blends safely with mineral and synthetic oils.\u003c\/li\u003e\n  \u003cli\u003eManufacturer specs: meets API SN, ILSAC GF-5, and Dexos1 requirements.\u003c\/li\u003e\n  \u003cli\u003eApplication note: verify required viscosity and approvals for your engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits can a professional or DIYer expect from a case purchase?\u003c\/h3\u003e\n\u003cp\u003eBuying this six-quart case suits small fleets, garages, or homeowners who perform regular maintenance. Bulk purchasing reduces per-quart cost and keeps a ready supply for scheduled changes or top-offs, while consistent product choice helps maintain predictable engine performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCost efficiency: lower unit cost versus single bottles.\u003c\/li\u003e\n  \u003cli\u003eConvenience: six quarts on hand for multiple changes or vehicles.\u003c\/li\u003e\n  \u003cli\u003eConsistency: same formulation for uniform maintenance results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This product is aimed at owners and technicians who need a reliable, fully synthetic SAE 5W-40 motor oil that meets modern performance standards. It’s appropriate for many gasoline and diesel passenger vehicles and light trucks that call for a 5W-40 viscosity and API SN or equivalent approvals, as well as small fleet operators and DIY mechanics seeking durable protection and predictable performance. Always check your vehicle’s specifications before selecting oil weight and approvals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix Royal Purple SAE 5W-40 with conventional oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Royal Purple is compatible with mineral and other synthetic oils, but follow vehicle maker guidance when upgrading in new engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this oil meet factory performance specifications?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is API SN licensed and meets ILSAC GF-5 and Dexos1 performance requirements.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586539454649,"sku":"B00ELHTFUO","price":178.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-quart-label.jpg?v=1790486390"},{"product_id":"royal-purple-break-in-engine-oil-10w-30-pack-of-6-quarts-mineral-formula-with-elevated-zddp","title":"Royal Purple Break-In Engine Oil 10W-30, Pack of 6 Quarts — Mineral Formula with Elevated ZDDP","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 11487 Engine Break-In Oil 10W30 is a mineral-based, fully formulated break-in lubricant designed to promote ring seal and protect camshafts, lifters, and rotating assemblies during an engine's initial run-in period.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen assembling or rebuilding an engine, the first miles are the most critical for component seating and wear control. Royal Purple developed this break-in oil with input from professional engine builders to combine highly refined mineral base oil with elevated levels of zinc and phosphorus additives. The formula supports controlled surface interaction during break-in without requiring extra additives, and it is intended to be replaced with a high-performance synthetic oil after the break-in interval.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this break-in oil help during the initial engine run-in?\u003c\/h3\u003e\n\u003cp\u003eSpecialized additives and a mineral base create a controlled lubrication environment that encourages piston ring seating and minimizes damaging metal-to-metal contact. The increased zinc and phosphorus content helps protect cam lobes and flat tappet lifters when they're most vulnerable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePromotes ring-to-cylinder sealing for improved compression\u003c\/li\u003e\n  \u003cli\u003eReduces start-up and early-life wear on camshafts and lifters\u003c\/li\u003e\n  \u003cli\u003eMineral oil base provides predictable friction characteristics during break-in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat engine parts receive the most protection with this 10W30 formula?\u003c\/h3\u003e\n\u003cp\u003eThe formula focuses protection on components that face high contact stress during break-in, such as cam lobes, lifters, piston rings, and cylinders. It is particularly suited for engines with flat tappet valvetrains that rely on higher anti-wear additive levels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCamshafts and lifters (flat tappet and roller types)\u003c\/li\u003e\n  \u003cli\u003ePiston rings and cylinder walls during seating\u003c\/li\u003e\n  \u003cli\u003eRotating assemblies exposed to start-up wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I switch from this break-in oil to a synthetic oil?\u003c\/h3\u003e\n\u003cp\u003eUse the break-in oil through the recommended initial run-in period specified by your builder or engine manufacturer—typically the first few hundred miles of operation. After the break-in window, drain and replace with a high-performance synthetic to provide long-term protection and improved thermal stability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow engine-builder or OEM guidance for exact mileage\/time\u003c\/li\u003e\n  \u003cli\u003eDrain and replace once ring seating and break-in procedures are complete\u003c\/li\u003e\n  \u003cli\u003eRoyal Purple recommends switching to their synthetic motor oils for continued protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs any additional additive required with this product?\u003c\/h3\u003e\n\u003cp\u003eNo extra chemical supplements are needed. The break-in oil is fully formulated to supply the necessary anti-wear chemistry during the run-in period, eliminating the need to mix in other break-in-specific additives.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains high levels of zinc and phosphorus for anti-wear coverage\u003c\/li\u003e\n  \u003cli\u003eReady-to-use; do not blend with other break-in treatments\u003c\/li\u003e\n  \u003cli\u003eDesigned to be replaced, not topped up, after the break-in phase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple 11487 Engine Break-In Oil 10W30 (pack of six 1-quart bottles) was created for professional engine builders, performance enthusiasts, and anyone assembling or rebuilding engines who wants a straightforward, proven mineral break-in lubricant. It suits builders working with flat tappet and roller lifter engines who plan to complete the break-in with a mineral formula and then switch to a high-performance synthetic for everyday operation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil for routine driving after break-in?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This is a mineral break-in oil intended only for initial run-in. Drain and replace with a recommended synthetic for regular driving.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this formula require extra anti-wear additives?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The break-in oil is fully formulated with high zinc and phosphorus and needs no additional additives.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586702278841,"sku":"B007SPVLO4","price":181.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-11487-front-packaging.jpg?v=1790490547"},{"product_id":"royal-purple-high-mileage-synthetic-motor-oil-10w-30-5-qt-seal-rejuvenating-anti-wear-formula","title":"Royal Purple High-Mileage Synthetic Motor Oil 10W-30 — 5 qt, Seal‑Rejuvenating Anti‑Wear Formula","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple HMX SAE 10W-30 is a high-mileage synthetic motor oil formulated to reduce wear, restore seal flexibility, and clean older gasoline engines with more than 75,000 miles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for seasoned engines, this 5-quart pack of Royal Purple HMX combines zinc\/phosphorus anti-wear chemistry with Royal Purple’s Synerlec additive technology to address common high-mileage concerns: increased oil consumption, seal hardening, deposits, and elevated friction. The formulation focuses on building a stronger lubricant film, improving detergency to remove sludge, and renewing seal pliability so engines can run cleaner and with reduced metal-to-metal wear.\u003c\/p\u003e\n\n\u003ch3\u003eHow does HMX protect a high-mileage engine during start-up and everyday driving?\u003c\/h3\u003e\n\u003cp\u003eHMX delivers exceptional film strength and includes ionic-attraction additives that cling to metal surfaces, helping form a protective boundary at start-up—when most wear occurs. That persistent protection reduces direct metal contact and helps preserve critical components across typical driving cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec additive package for stronger lubricant film and friction reduction\u003c\/li\u003e\n  \u003cli\u003eZinc and phosphorus anti-wear agents to guard bearings and cam lobes\u003c\/li\u003e\n  \u003cli\u003eIonic attraction to metal for enhanced start-up protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this oil help with common high-mileage problems like leaks, consumption, and deposits?\u003c\/h3\u003e\n\u003cp\u003eYes. HMX includes chemical agents that work to soften and rejuvenate hardened seals, which can reduce oil seepage and consumption over time. It also contains robust detergents formulated to dissolve and suspend existing sludge and deposits so they can be removed through normal filtration and oil changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeal revitalizers to improve flexibility and reduce seepage\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty detergents to lift and suspend varnish and sludge\u003c\/li\u003e\n  \u003cli\u003eRecommended preliminary clean-up drains to flush dislodged deposits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance schedule and compatibility should I follow with Royal Purple HMX?\u003c\/h3\u003e\n\u003cp\u003eHMX is suitable for gasoline passenger cars and light trucks with more than 75,000 miles and meets API SJ, SL, SM, and SN service categories. Royal Purple notes that, after two short clean-up drains of about 3,000 miles each to clear deposits, owners of mechanically sound engines may safely extend drain intervals—when using proper filtration—up to manufacturer-appropriate limits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with gasoline engines specifying API SJ, SL, SM, SN\u003c\/li\u003e\n  \u003cli\u003eInitial two short 3,000-mile clean-up drains recommended\u003c\/li\u003e\n  \u003cli\u003ePotential longer drain intervals (engine- and filter-dependent)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will using HMX affect engine performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eBy reducing internal friction and keeping critical oil pathways cleaner, HMX supports more consistent engine performance and can slow wear-related decline. While it does not reverse mechanical failures, the blend helps maintain compression, smoother operation, and simpler long-term maintenance for high-mileage vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduced friction for steadier power delivery\u003c\/li\u003e\n  \u003cli\u003eCleaner oil passages and fewer deposits for reliable operation\u003c\/li\u003e\n  \u003cli\u003ePreserves components by minimizing metal-to-metal contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple HMX SAE 10W-30 is aimed at owners of gasoline-powered cars and light trucks with 75,000+ miles who want a targeted oil to address age-related issues—reduced seal elasticity, increased deposits, and higher wear rates. It’s a practical choice for enthusiasts and everyday drivers seeking a high-mileage synthetic oil that prioritizes anti-wear protection, detergency, and seal conditioning while remaining compatible with common API specifications. Always follow vehicle manufacturer recommendations and service intervals, and perform the suggested clean-up drains before extending oil change intervals.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple HMX SAE 10W-30 suitable for extended drain intervals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: After two preliminary 3,000-mile clean-up drains and with proper filtration in a mechanically sound engine, HMX may allow extended drain intervals per manufacturer guidance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will HMX help stop oil leaks in older engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: HMX contains additives to soften and restore hardened seals, which can reduce minor leaks and oil consumption over time but won’t fix major mechanical seal failures.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586849964217,"sku":"B00G3BRNOG","price":129.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hmx-front-label.jpg?v=1790494122"},{"product_id":"royal-purple-synthetic-motor-oil-10w-30-5-qt-jug-api-sn-licensed-improved-wear-protection","title":"Royal Purple synthetic motor oil 10W-30 — 5 qt jug, API SN licensed, improved wear protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 51130 is a 5-quart, API‑licensed SAE 10W‑30 synthetic motor oil engineered to improve engine protection, compatibility, and performance for gasoline and diesel vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt from advanced base oils and Royal Purple’s proprietary additive package, this motor oil is formulated to deliver better wear protection, enhanced fuel economy, and reliable corrosion control while remaining compatible with conventional and other synthetic oils. It meets API SN licensing and satisfies ILSAC GF‑5 and Dexos1 performance requirements, so you can swap to it without special procedures once your new gasoline engine reaches its first recommended oil change.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this oil affect engine wear and longevity?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple 10W‑30 uses optimized additives and premium base stocks to reduce friction and minimize metal‑to‑metal contact under normal and severe driving. Reduced wear helps preserve key engine components and can extend service intervals when paired with regular maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdvanced anti‑wear chemistry reduces scoring and surface fatigue\u003c\/li\u003e\n  \u003cli\u003eShear‑stable base oils maintain viscosity under load\u003c\/li\u003e\n  \u003cli\u003eRust and corrosion inhibitors protect idle and storage periods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill switching to Royal Purple require special procedures?\u003c\/h3\u003e\n\u003cp\u003eNo special flushing or modifications are required when upgrading to Royal Purple 10W‑30; it is fully compatible with mineral and other synthetic oils. For new gasoline engines, the brand recommends waiting until the manufacturer's first scheduled oil change before switching to ensure break‑in deposits have stabilized.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with conventional and synthetic motor oils\u003c\/li\u003e\n  \u003cli\u003eInstall during a regular scheduled oil change for best results\u003c\/li\u003e\n  \u003cli\u003eNo additives or engine modifications necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this oil support fuel efficiency and emissions systems?\u003c\/h3\u003e\n\u003cp\u003eThe formulation aims to lower internal friction and maintain stable viscosity to improve fuel economy marginally under many driving conditions. It also includes protection designed to safeguard modern emission control hardware and remains compatible with fuels that contain ethanol blends.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFriction‑reducing additives help optimize fuel consumption\u003c\/li\u003e\n  \u003cli\u003eProtects catalytic converters and other emission components\u003c\/li\u003e\n  \u003cli\u003eFormulated for use with ethanol‑blended gasoline\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and driving situations are best suited for this 10W‑30 oil?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple 51130 is a vehicle‑specific fit type geared toward passenger cars, light trucks, and SUVs that call for SAE 10W‑30 viscosity and meet API SN\/Dexos1\/ILSAC GF‑5 specifications. It performs well in daily driving, towing light loads, and stop‑and‑go city conditions where stable protection and deposit control are valuable.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for gasoline and diesel engines specifying 10W‑30\u003c\/li\u003e\n  \u003cli\u003eGood choice for mixed driving: highway, city, and light towing\u003c\/li\u003e\n  \u003cli\u003eMeets OEM performance standards including Dexos1 and ILSAC GF‑5\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Drivers who want a readily compatible, high‑quality SAE 10W‑30 motor oil that balances protection, emissions‑system care, and fuel efficiency — without special installation steps. If your vehicle’s oil requirement includes API SN or Dexos1 performance and you’re looking for an oil that can be used in place of conventional or other synthetics, Royal Purple 51130 is designed to be an easy, performance‑oriented upgrade.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple 10W‑30 compatible with conventional oils?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Royal Purple 51130 mixes safely with mineral and other synthetic oils and requires no special flushing to switch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this oil meet OEM performance specs like Dexos1?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is API SN licensed and meets ILSAC GF‑5 and Dexos1 requirements for compatible engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67586893512889,"sku":"B005SEJRSE","price":123.37,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-51130-front-label.jpg?v=1790496261"},{"product_id":"royal-purple-max-tuff-synthetic-assembly-lubricant-8-oz-persistent-film-corrosion-protection","title":"Royal Purple Max-Tuff synthetic assembly lubricant 8 oz — persistent film \u0026 corrosion protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max-Tuff is an ultra-tough synthetic assembly lubricant that bonds to metal surfaces to reduce metal-to-metal contact and protect against rust and corrosion during reassembly and service.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen you rebuild, repair, or reassemble machinery, the right assembly lubricant prevents wear and eases installation. Royal Purple 01335 Max-Tuff uses engineered synthetic molecules that cling to both ferrous and non-ferrous metals, forming a load-bearing film that helps prevent boundary conditions and supports long-term component life. It’s formulated for technicians, mechanics, and hobbyists who need dependable protection during the critical minutes and months after assembly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Max-Tuff help during reassembly?\u003c\/h3\u003e\n\u003cp\u003eMax-Tuff lowers friction and keeps metal parts separated during initial operation, reducing the risk of scoring or seizure. Its film is designed to remain where applied so moving parts receive protection right at startup and while components bed in.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eForms a persistent, load-bearing barrier between metal surfaces\u003c\/li\u003e\n  \u003cli\u003eImproves fit-up and torque consistency during installation\u003c\/li\u003e\n  \u003cli\u003eReduces startup wear on gears, bearings, and fastened joints\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat metals and applications is it suited for?\u003c\/h3\u003e\n\u003cp\u003eThis synthetic assembly lubricant works on both ferrous and non-ferrous metals, making it versatile for engines, transmissions, pumps, and industrial equipment. Use it wherever metal-to-metal contact is likely during the first cycles after assembly or repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for steel, aluminum, brass, and other common alloys\u003c\/li\u003e\n  \u003cli\u003eIdeal for bearings, shafts, splines, bolts, and gear surfaces\u003c\/li\u003e\n  \u003cli\u003eCommon in automotive rebuilds, industrial maintenance, and precision repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Max-Tuff protect against corrosion and wear?\u003c\/h3\u003e\n\u003cp\u003eThe synthetic molecules in Max-Tuff adhere tightly to surfaces to block moisture and contaminants that cause rust. In addition to forming a lubricating film, the product delivers short- to medium-term corrosion resistance while parts are stored or first operated.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCreates a moisture-resistant barrier to slow oxidation\u003c\/li\u003e\n  \u003cli\u003eHelps prevent fretting, pitting, and early surface damage\u003c\/li\u003e\n  \u003cli\u003eContains Synslide technology for persistent sliding protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store this 8-ounce container?\u003c\/h3\u003e\n\u003cp\u003eApply a thin, even coat to mating surfaces and fasteners prior to assembly; avoid excessive buildup that could attract debris. Store the 8-ounce bottle in a cool, dry place and keep the cap closed to preserve product performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply sparingly to shafts, threads, and contact areas\u003c\/li\u003e\n  \u003cli\u003eWipe excess from external surfaces after assembly if needed\u003c\/li\u003e\n  \u003cli\u003ePackage size is convenient for shop benches and mobile tool kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple Max-Tuff 8-ounce assembly lubricant is tailored to professional mechanics, industrial maintenance crews, restoration enthusiasts, and anyone performing equipment reassembly who wants a dependable, synthetic product that reduces startup wear and protects against corrosion. With compact packaging and strong adhesion to metal, it’s an easy addition to toolboxes and service carts when reliable short-term protection and improved assembly performance matter.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Max-Tuff be used on aluminum engine parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Max-Tuff works on both ferrous and non-ferrous metals, including aluminum, to reduce wear and protect against corrosion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much should I apply during reassembly?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply a thin, even coat to mating surfaces and threads; avoid heavy buildup to prevent attracting debris.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67587363471545,"sku":"B000BRUYSK","price":95.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-packaging.jpg?v=1790506896"},{"product_id":"royal-purple-max-gear-75w-140-synthetic-gear-oil-1-qt-pack-of-6-gl-5-limited-slip-protection","title":"Royal Purple MAX GEAR 75W-140 synthetic gear oil — 1-qt pack of 6, GL-5 limited-slip protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple MAX GEAR 75W140 is a synthetic, limited-slip compatible gear oil formulated to protect and smooth the operation of differentials and manual transmissions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEngineered for high-pressure gear applications, this 1-quart bottle of 75W140 MAX GEAR uses synthetic basestocks and friction-modifying additives to resist thermal breakdown, reduce wear, and support limited-slip differentials. Sold as a convenient pack of six quarts, it’s intended for professionals, DIY mechanics, and vehicle owners who need a premium lubricant for axles, differentials, and some manual transmissions that specify API GL-5 or equivalent performance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does MAX GEAR 75W140 protect gears under heavy loads?\u003c\/h3\u003e\n\u003cp\u003eThis formulation creates a resilient lubricating film to minimize metal-to-metal contact at high load and shock conditions. Synthetic oils maintain viscosity across temperature extremes, helping maintain a protective barrier during startup and sustained high-temperature operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh film strength reduces wear on gear teeth and bearings.\u003c\/li\u003e\n  \u003cli\u003eResists shearing to preserve viscosity under pressure.\u003c\/li\u003e\n  \u003cli\u003eThermally stable for extended drain intervals compared with conventional oils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill MAX GEAR 75W140 work with limited-slip differentials?\u003c\/h3\u003e\n\u003cp\u003eYes — this product contains dedicated limited-slip additives to support smooth engagement while minimizing chatter. It balances friction modification so clutch-type limited-slip units maintain proper performance without excessive slipping or noise.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes friction modifiers compatible with clutch-type limited-slip systems.\u003c\/li\u003e\n  \u003cli\u003eFormulated to reduce chatter while preserving traction characteristics.\u003c\/li\u003e\n  \u003cli\u003eSuitable for most limited-slip applications when manufacturer allows GL-5 fluids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this gear oil suitable for cold starts and high-temperature conditions?\u003c\/h3\u003e\n\u003cp\u003e75W140 grade provides a wide operating range: the low \"75W\" rating helps flow moderately well at lower temperatures during startup, while the \"140\" high-temperature rating ensures adequate film strength under heavy heat. The synthetic base improves cold-pumpability and resists thermal breakdown better than many mineral oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved cold flow compared with conventional 140-weight oils.\u003c\/li\u003e\n  \u003cli\u003eHigh-temperature viscosity retention prevents thinning under load.\u003c\/li\u003e\n  \u003cli\u003eReduced oxidation and deposit formation extend oil life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and store the 1-quart bottles in this 6-pack?\u003c\/h3\u003e\n\u003cp\u003eStore bottles upright in a clean, dry area away from direct sunlight and extreme heat. Follow your vehicle owner’s manual for capacity and service intervals; use a clean pump or funnel when pouring to avoid contamination.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep containers sealed until ready to use to prevent moisture ingress.\u003c\/li\u003e\n  \u003cli\u003ePour with a clean funnel or dispensing tool to maintain fluid cleanliness.\u003c\/li\u003e\n  \u003cli\u003eReplace differential seals and check for leaks after service as needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Royal Purple MAX GEAR 75W140 in the 1-quart, 6-pack is aimed at professional technicians, fleet operators, and hands-on enthusiasts who require a robust synthetic GL-5 level gear oil compatible with many limited-slip differentials. If your vehicle or equipment manual specifies 75W140 or permits GL-5 synthetic lubricants for axles, differentials, or select manual transmissions, this product offers a high-performance option to maintain gear life, reduce wear, and help keep noise and chatter in check during limited-slip engagement. Always verify compatibility with your manufacturer's recommendations before use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eFor best performance, follow the manufacturer's recommendations in your vehicle owner’s manual.\u003c\/em\u003e\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Royal Purple MAX GEAR 75W140 in limited-slip differentials?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It contains limited-slip additives designed to reduce chatter and support clutch-type limited-slip differentials when GL-5 fluids are acceptable.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many quarts come in this pack and how should I store them?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes six 1-quart bottles. Store upright in a cool, dry place away from direct sunlight and seal until use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67588875059385,"sku":"B000J15THO","price":73.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-gear-front-packaging.jpg?v=1790526978"},{"product_id":"royal-purple-max-gear-75w-90-synthetic-gear-oil-1-quart-full-synthetic-gl-5-gl-4-with-synerlec","title":"Royal Purple Max Gear 75W-90 Synthetic Gear Oil, 1 Quart — Full‑Synthetic GL‑5\/GL‑4 with Synerlec","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max Gear 75W-90 is a high-performance synthetic gear oil formulated to protect heavily loaded gears, reduce noise and heat, and extend component life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMax Gear 75W-90 (SKU 01300) is a premium full-synthetic gear lubricant engineered for demanding automotive, truck, RV, and marine lower-gear applications. Blending advanced synthetic base stocks with Royal Purple’s Synerlec additive technology, this GL-5\/GL-4-rated fluid is designed to stand up to heavy loads, hypoid gear pressure, and repeated thermal cycling. It’s suitable for differentials, manual transmissions and lower marine gear units where a 75W-90 viscosity with hypoid friction modifiers is specified.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect gears under heavy load?\u003c\/h3\u003e\n\u003cp\u003eMax Gear 75W-90 creates a durable lubricating film that reduces metal-to-metal contact under extreme pressure. The Synerlec additive package enhances film strength and reduces wear, helping gears resist scoring and pitting during high-torque operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality synthetic base stocks provide stable viscosity at temperature extremes.\u003c\/li\u003e\n  \u003cli\u003eSynerlec friction modifier improves load-carrying capability and surface protection.\u003c\/li\u003e\n  \u003cli\u003eFormulated to resist thermal breakdown and maintain film under shock loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it make gears run quieter and cooler?\u003c\/h3\u003e\n\u003cp\u003eYes — this formulation reduces friction and minimizes heat generation in gear sets, resulting in smoother operation and less noise. Lower operating temperatures also slow oil oxidation and extend service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFriction-reducing additives help quiet whining and chatter in differentials.\u003c\/li\u003e\n  \u003cli\u003eImproved thermal stability keeps viscosity consistent at elevated temperatures.\u003c\/li\u003e\n  \u003cli\u003eReduced metal wear means fewer sources of mechanical noise over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere should I use Royal Purple Max Gear 75W-90?\u003c\/h3\u003e\n\u003cp\u003eUse this product in automotive and light commercial applications that call for API GL-5 or GL-4 gear oils with a 75W-90 viscosity. It’s suitable for rear and front differentials, manual transmissions, and lower marine gear units that require hypoid friction modifiers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRear and front differentials in cars, trucks, and SUVs.\u003c\/li\u003e\n  \u003cli\u003eManual transmissions specifying GL-4\/GL-5 75W-90 fluids.\u003c\/li\u003e\n  \u003cli\u003eLower gear units on marine engines where GL-5\/GL-4 is permitted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDo I need to add extra additives or change service intervals?\u003c\/h3\u003e\n\u003cp\u003eNo additional additives are required; Max Gear is fully formulated with Royal Purple’s Synerlec package. For best results, follow your vehicle manufacturer’s service recommendations and oil-change intervals in the owner’s manual.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReady-to-use formulation — do not mix with aftermarket friction modifiers unless specified.\u003c\/li\u003e\n  \u003cli\u003eFollow OEM service intervals for drain and fill procedures.\u003c\/li\u003e\n  \u003cli\u003eCompatible with many conventional and synthetic gear oils, but check compatibility before mixing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max Gear 75W-90 is intended for mechanics, fleet managers, RV owners, marine technicians, and performance-minded drivers who need a tough, long-lasting synthetic gear oil for heavily loaded gear sets. If you want improved gear protection, quieter operation, and enhanced thermal stability in differential and manual-transmission applications that require a 75W-90 GL-5\/GL-4 fluid, this product is a practical upgrade over conventional gear oils.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max Gear 75W-90 compatible with GL-4 and GL-5 systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This product is formulated to meet both API GL-5 and GL-4 requirements where a 75W-90 hypoid gear oil is specified.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this oil in marine lower gear units?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s suitable for lower marine gear units that call for GL-5 or GL-4 75W-90 gear oil with hypoid friction modifiers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67591173603513,"sku":"B0007QGT34","price":64.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-gear-front-quart.jpg?v=1790543148"},{"product_id":"royal-purple-synthetic-motor-oil-10w-40-hps-1-quart-synerlec-anti-wear-protection","title":"Royal Purple Synthetic Motor Oil 10W-40 HPS — 1 Quart, Synerlec Anti-Wear Protection","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple 31140 HPS 10W-40 is a fully synthetic, high-performance street motor oil formulated with Synerlec and zinc\/phosphorus anti-wear chemistry to protect modified and performance engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for drivers who demand more than factory-fill lubricants, this Royal Purple HPS 10W-40 combines a robust additive package with a synthetic base to deliver consistent viscosity, wear reduction, and thermal stability. It is intended for street-driven high-performance or modified engines, particularly vehicles that are out of manufacturer warranty or where owners seek upgraded protection and response under load.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this oil protect engines during hard use?\u003c\/h3\u003e\n\u003cp\u003eThe HPS formulation includes a concentrated anti-wear package and Royal Purple's Synerlec additive that bonds to metal surfaces to reduce friction under pressure. This creates a stable protective film so parts run smoother and resist damage when stressed by higher loads or elevated temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh zinc\/phosphorus level for valve-train and camshaft protection\u003c\/li\u003e\n  \u003cli\u003eSynerlec additive reduces metal-on-metal friction\u003c\/li\u003e\n  \u003cli\u003eViscosity retention under shear for steady oil film thickness\u003c\/li\u003e\n  \u003cli\u003eExcellent oxidation stability to resist breakdown at high heat\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill 10W-40 work in my engine and climate?\u003c\/h3\u003e\n\u003cp\u003eSAE 10W-40 provides reliable cold-start performance rated at the 10W grade and maintains a 40 viscosity at operating temperature, making it suitable for many gasoline engines across moderate to warm climates. Always consult your vehicle's owner manual for recommended viscosity ranges and consider 10W-40 when the manufacturer allows or when you need greater high-temperature protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W cold-flow for reasonable winter starts in mild climates\u003c\/li\u003e\n  \u003cli\u003e40 weight at operating temperature for thicker film under heat\u003c\/li\u003e\n  \u003cli\u003eGood option for older or modified engines that run hotter\u003c\/li\u003e\n  \u003cli\u003eCheck OEM specs before use to ensure compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this synthetic oil compare to conventional or blended oils?\u003c\/h3\u003e\n\u003cp\u003eAs a fully synthetic formula, Royal Purple HPS offers more uniform molecular structure and engineered additives versus conventional oils, often providing improved thermal resistance and extended protection. The advanced additive chemistry can help maintain power delivery and reduce wear compared with standard mineral or blend lubricants under severe operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynthetic base stocks for consistent performance across temperature ranges\u003c\/li\u003e\n  \u003cli\u003eStronger additive package for wear and deposit control\u003c\/li\u003e\n  \u003cli\u003eOften supports better fuel efficiency and longevity in stressed engines\u003c\/li\u003e\n  \u003cli\u003eHigher initial cost but targeted to performance needs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance practices maximize the benefits of Royal Purple HPS?\u003c\/h3\u003e\n\u003cp\u003eUse the correct oil viscosity and change intervals recommended for your application, and replace the oil filter at each service to maintain additive effectiveness and cleanliness. Regular inspections for leaks, oil level, and fluid condition help ensure the formulation continues protecting internal parts as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow vehicle or tuner-recommended change intervals\u003c\/li\u003e\n  \u003cli\u003eAlways fit a compatible, high-quality oil filter at every change\u003c\/li\u003e\n  \u003cli\u003eMonitor oil color and level between services for early issues\u003c\/li\u003e\n  \u003cli\u003ePair with recommended maintenance for modified components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple HPS 10W-40 is aimed at drivers of performance, modified, or older engines who want an advanced synthetic lubricant with enhanced anti-wear chemistry. It suits owners seeking stronger protection than factory oils, especially for street-driven vehicles that encounter higher stresses, increased temperatures, or aftermarket upgrades. If your vehicle still requires manufacturer-specified viscosities that include 10W-40 or you explicitly seek elevated protection for non-warranty applications, this oil is a solid option.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple HPS 10W-40 compatible with turbocharged engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, its synthetic base and anti-wear additives suit many turbocharged gasoline engines; always verify viscosity recommendations in your owner manual.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I switch from conventional oil to this synthetic immediately?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can typically switch directly, but check for any manufacturer or warranty restrictions and replace the oil filter when changing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67591264862393,"sku":"B005JVHI7S","price":66.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-31140-front-quart-bottle.jpg?v=1790545562"},{"product_id":"royal-purple-synchromax-transfluid-1-quart-32-oz-synthetic-low-viscosity-gear-transmission-fluid-for-smooth-shifts","title":"Royal Purple Synchromax Transfluid 1 Quart (32 oz) Synthetic Low-Viscosity Gear \u0026 Transmission Fluid for Smooth Shifts","description":"\u003cstrong\u003eRoyal Purple Synchromax Transfluid 1 quart is a synthetic, light-viscosity lubricant designed for manual transmissions, transfer cases and 2-cycle motorcycle gearboxes that call for ATF-style or low-viscosity oils.\u003c\/strong\u003e\n\n\u003cp\u003eEngineered with Royal Purple’s proprietary Synerlec additive technology, Synchromax blends synthetic base oils and friction-stable chemistry to improve shift feel, reduce gear noise and protect components across a wide temperature range. It is formulated to be compatible with a variety of friction materials and soft metals commonly found in synchronizers while resisting oxidation and corrosion for long service life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Synchromax improve shift quality?\u003c\/h3\u003e\n\u003cp\u003eSynchromax uses a friction-modified synthetic formula that helps synchronizers engage more smoothly, reducing grinding and harsh shifts. The Synerlec additive package stabilizes friction characteristics as temperatures change, so shifts remain consistent in cold starts and high-heat operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSynerlec technology for stable friction behavior\u003c\/li\u003e\n  \u003cli\u003eLight-viscosity synthetic base oils for faster response\u003c\/li\u003e\n  \u003cli\u003eDesigned to minimize shift shock and gear clash\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fluid protect gears and synchronizers?\u003c\/h3\u003e\n\u003cp\u003eYes — Synchromax provides enhanced wear protection and resists oxidation and corrosion to help extend component life. It is formulated to protect both hardened gear surfaces and the softer metals found in many synchronizer assemblies without compromising friction performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGreater wear protection than conventional ATFs\u003c\/li\u003e\n  \u003cli\u003eOxidation resistance to reduce varnish and deposits\u003c\/li\u003e\n  \u003cli\u003eCompatible with soft synchronizer metals and friction materials\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich applications is Synchromax suitable for?\u003c\/h3\u003e\n\u003cp\u003eSynchromax is recommended for manual transmissions that specify automatic transmission fluid or other light-viscosity oils, and it also works well in transfer cases and 2-cycle motorcycle gearboxes calling for light lubricants. It’s a versatile choice when equipment requires a friction-stable, low-viscosity synthetic fluid.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManual transmissions specifying ATF or low-viscosity oils\u003c\/li\u003e\n  \u003cli\u003eTransfer cases requiring light-viscosity lubricants\u003c\/li\u003e\n  \u003cli\u003e2-cycle motorcycle gearboxes that call for ATF-style fluids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use this quart bottle and what are its specs?\u003c\/h3\u003e\n\u003cp\u003eThe product ships in a 1-quart (32-ounce) bottle for easy pouring during service or top-up. The package is compact and lightweight, making it convenient for storage or keeping a spare bottle in the garage for maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVolume: 1 quart \/ 32 ounces\u003c\/li\u003e\n  \u003cli\u003ePackage dimensions: 28.575 H x 8.636 L x 8.89 W (centimetres)\u003c\/li\u003e\n  \u003cli\u003ePackage weight: 0.839 kilograms; made in the United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Synchromax is aimed at vehicle owners, mechanics and riders who need a reliable, synthetic light-viscosity fluid for manual gearboxes, transfer cases or 2-cycle motorcycle gearboxes that specify ATF-type or low-viscosity oils. If you want improved shift feel, reduced gear noise and robust wear protection without risking compatibility with synchronizers or soft metals, this product provides a targeted, workshop-ready solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can Synchromax be used in manual transmissions that require ATF?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Synchromax is formulated for manual transmissions specifying ATF or other light-viscosity oils and is compatible with synchronizer materials.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Synchromax safe for soft synchronizer metals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula protects gears while remaining compatible with soft metals and common friction materials used in synchronizers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67591826342073,"sku":"B001DKTG0G","price":62.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-label.jpg?v=1790558930"},{"product_id":"royal-purple-2-stroke-high-performance-2-cycle-oil-1-qt-full-synthetic-pre-mix-for-racing","title":"Royal Purple 2-Stroke High-Performance 2-Cycle Oil, 1 qt — Full-Synthetic Pre-Mix for Racing","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple ROY01311 HP 2-C is a full-synthetic 2-stroke pre-mix oil engineered to boost power, lower operating temperatures, and keep combustion ports and plugs clean in high-performance 2-cycle gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-performance 2-cycle oil is formulated for racing and other demanding pre-mix applications where maximum throttle response and engine protection matter. Unlike conventional two-stroke mixes, Royal Purple XPR 2-C uses advanced synthetic chemistry to reduce friction, resist thermal breakdown, and minimize carbon deposits in exhaust ports and on spark plugs. It is designed for total-loss lubrication systems and is not recommended for some stock oil injection setups, so always check your equipment manufacturer’s guidance before use.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Royal Purple HP 2-C improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eThe synthetic base and specialty additives lower internal friction and help engines run cooler under load, which can translate to more consistent power and longer life for race-tuned components. Cleaner combustion ports and spark plugs maintain efficient airflow and ignition timing for repeatable performance laps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-synthetic formulation reduces friction and heat build-up.\u003c\/li\u003e\n  \u003cli\u003eDetergent\/solvent action minimizes carbon deposits in ports and on plugs.\u003c\/li\u003e\n  \u003cli\u003eFormulated specifically for pre-mix racing 2-cycle gasoline engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil work with my small-engine equipment?\u003c\/h3\u003e\n\u003cp\u003eROY01311 HP 2-C is intended for total-loss, pre-mix 2-stroke engines commonly found in racing motorcycles, snowmobiles, marine outboards, and high-performance small engines. It’s ideal where a synthetic boost to power and cleanliness is desired, but it may not be suitable for every oil-injection system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse in pre-mix 2-stroke gasoline engines per manufacturer recommendations.\u003c\/li\u003e\n  \u003cli\u003eNot recommended by Royal Purple for some stock oil injection systems.\u003c\/li\u003e\n  \u003cli\u003eCommon applications: race bikes, snowmobiles, marine outboards, and high-output handheld equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I mix and store Royal Purple XPR 2-C?\u003c\/h3\u003e\n\u003cp\u003eFollow the engine or vehicle maker’s recommended fuel-to-oil ratio for your specific model. Mix thoroughly before filling the fuel tank, keep containers sealed when not in use, and store in a cool, dry place away from direct sunlight to preserve additive activity and shelf life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdhere to manufacturer-recommended fuel\/oil ratios for your engine.\u003c\/li\u003e\n  \u003cli\u003eShake or stir the pre-mix to ensure even distribution before use.\u003c\/li\u003e\n  \u003cli\u003eStore upright in a sealed container, away from heat and sunlight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and handling differences will I notice?\u003c\/h3\u003e\n\u003cp\u003eExpect smoother throttle response, reduced propensity for plug fouling, and more stable power delivery during extended high-RPM operation. The oil’s low-friction characteristics help engines accelerate more responsively and resist heat-related power loss during hard use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmoother, more consistent throttle response under load.\u003c\/li\u003e\n  \u003cli\u003eReduced deposits lead to easier starting and more reliable spark performance.\u003c\/li\u003e\n  \u003cli\u003eBetter protection during prolonged high-RPM or racing conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Royal Purple ROY01311 HP 2-C suits racers, performance riders, and enthusiasts who run pre-mix 2-stroke gasoline engines and demand cleaner combustion, lower friction, and stable power in extreme conditions. If you operate stock oil-injection systems, consult your equipment manual or dealer to confirm compatibility before switching to this product.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePackage dimensions: 10 x 5 x 2 inches; package weight: 1.7 pounds.\u003c\/li\u003e\n  \u003cli\u003eManufactured in the USA.\u003c\/li\u003e\n  \u003cli\u003eFor best results, follow the owner’s manual and manufacturer recommendations for your vehicle or equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use ROY01311 HP 2-C in oil-injection 2-stroke engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Royal Purple does not recommend this formula for some stock oil-injection systems; check your equipment manual or dealer for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What applications are best for this 2-cycle oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for pre-mix high-performance 2-stroke gasoline engines: race bikes, snowmobiles, marine outboards, and similar equipment.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67592657567929,"sku":"B000BPZ824","price":56.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-front-packaging_e594d494-7e80-4122-ad87-c317f9831361.jpg?v=1790566893"},{"product_id":"royal-purple-purple-ice-radiator-additive-12-oz-lowers-coolant-temp-protects-water-pump-corrosion","title":"Royal Purple Purple Ice Radiator Additive 12 oz — Lowers Coolant Temp, Protects Water Pump \u0026 Corrosion","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Purple Ice is a concentrated radiator additive that lowers coolant surface tension to improve heat transfer, protect against corrosion, and lubricate water-pump seals.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle runs hot, you want a product that enhances coolant performance without replacing existing antifreeze chemistry. Purple Ice is a synthetic, performance-focused coolant conditioner designed to be used with conventional antifreeze\/water mixes or straight water systems. It combines a wetting agent that encourages heat evacuation with corrosion inhibitors and pump lubricants to support long-term system reliability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Purple Ice reduce engine and coolant temperatures?\u003c\/h3\u003e\n\u003cp\u003ePurple Ice reduces the surface tension of the cooling fluid so heat moves from metal surfaces into the coolant more efficiently. Improved heat transfer helps reduce localized hot spots in the head and block, resulting in lower measured coolant temperatures under load.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces coolant surface tension for faster heat rejection\u003c\/li\u003e\n  \u003cli\u003eLab-tested reductions in coolant temperature compared to untreated systems\u003c\/li\u003e\n  \u003cli\u003eHelps eliminate hot spots that can accelerate wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Purple Ice work with my antifreeze or coolant type?\u003c\/h3\u003e\n\u003cp\u003ePurple Ice is formulated to be compatible with the major OEM antifreeze chemistries, including traditional silicate-based green glycols and modern OAT\/HOAT formulas. It should not be mixed with other heat-transfer additives or “water wetters” without flushing the system first.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe with ethylene-glycol and propylene-glycol antifreezes and OAT\/HOAT products\u003c\/li\u003e\n  \u003cli\u003eNot recommended alongside other cooling enhancers—flush before switching\u003c\/li\u003e\n  \u003cli\u003eCompatible with leak-sealing additives, though their coatings may reduce Purple Ice effectiveness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use Purple Ice and how often should I add it?\u003c\/h3\u003e\n\u003cp\u003eShake the bottle well. For systems running a 50\/50 antifreeze mix, add 1 ounce of Purple Ice per quart of coolant capacity. For straight water systems (racing applications), use 2 ounces per quart. Reapply annually or at mileage intervals to maintain protection.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 1 oz per quart with 50\/50 antifreeze\/water; 2 oz per quart with straight water\u003c\/li\u003e\n  \u003cli\u003eReplace once a year or every 30,000 miles (15,000 miles for straight-water racing systems)\u003c\/li\u003e\n  \u003cli\u003ePurple Ice does not add freeze protection—use proper antifreeze where required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection and maintenance benefits does Purple Ice provide?\u003c\/h3\u003e\n\u003cp\u003eBeyond cooling benefits, Purple Ice includes corrosion inhibitors and lubricants that help protect aluminum components, reduce erosion and electrolysis, and extend water-pump life. It also helps slow scale and deposit formation so the system stays cleaner over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCombines a corrosion inhibitor with a wetting agent for dual action\u003c\/li\u003e\n  \u003cli\u003eLubricates water pump seals and components to reduce wear\u003c\/li\u003e\n  \u003cli\u003eHelps prevent scale buildup and maintains fluid flow through the radiator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Purple Ice is aimed at drivers, racers, fleet managers and DIY mechanics who want measurable coolant-temperature reduction and added corrosion protection without changing their OEM antifreeze. It’s particularly useful for high-load vehicles, older cooling systems showing early rust or deposit formation, and anyone seeking to minimize hot spots and protect aluminum radiators and water pumps. Always follow manufacturer coolant recommendations and flush the system if other coolant additives have been used previously.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Purple Ice compatible with my car's antifreeze?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Purple Ice works with common OEM antifreeze types, including green glycols and OAT\/HOAT formulas. Do not mix with other heat-transfer additives without flushing first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much Purple Ice should I add to my radiator?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use 1 ounce per quart of coolant for a 50\/50 antifreeze mix; use 2 ounces per quart for straight water systems. Reapply yearly or per mileage guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67592980693177,"sku":"B000BRGAJ2","price":55.64,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-purple-ice-bottle-front.jpg?v=1790570548"},{"product_id":"royal-purple-max-cycle-10w-40-motorcycle-oil-1-quart-synthetic-wet-clutch-protection-wear-reduction","title":"Royal Purple Max Cycle 10W-40 Motorcycle Oil — 1 Quart Synthetic, Wet-Clutch Protection \u0026 Wear Reduction","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max Cycle 10W-40 is a full-synthetic motorcycle oil formulated to protect high-stress 4-cycle engines and wet-clutch transmissions while improving performance and engine cleanliness.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for both air-cooled and liquid-cooled 4-stroke motorcycles, Royal Purple Max Cycle combines a 10W-40 viscosity profile with Synerlec additive technology to deliver durable film strength, reduced wear, and rust protection. It meets and exceeds current API and JASO specifications and is compatible with both mineral and synthetic oils, so you can add it without a required flush. The oil is packaged in a convenient 1-quart (32-ounce) bottle for routine service or topping off between changes.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this 10W-40 oil perform across temperatures?\u003c\/h3\u003e\n\u003cp\u003eMax Cycle’s SAE 10W-40 rating means it flows well at cold starts while maintaining a stable, protective viscosity at normal operating temperatures. That balance helps the oil circulate quickly on startup yet retain the film strength needed under high load and heat.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e10W cold-viscosity supports faster circulation at lower temperatures.\u003c\/li\u003e\n  \u003cli\u003e40 operating-viscosity preserves oil film during high RPM and load.\u003c\/li\u003e\n  \u003cli\u003eStable thermal performance helps resist thinning under heat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protection and performance benefits does Synerlec technology provide?\u003c\/h3\u003e\n\u003cp\u003eSynerlec is Royal Purple’s proprietary additive package designed to enhance lubricity and boost film strength between metal surfaces. It reduces metal-on-metal contact, which helps limit wear and can support smoother shifting in wet-clutch systems without compromising clutch feel.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved anti-wear properties for highly stressed components.\u003c\/li\u003e\n  \u003cli\u003eEnhanced friction characteristics suitable for wet clutches.\u003c\/li\u003e\n  \u003cli\u003eCleaner engine internals through dispersant and detergent action.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I mix this oil with other oils and when should I switch?\u003c\/h3\u003e\n\u003cp\u003eMax Cycle is compatible with other synthetic and mineral motor oils, so compatibility issues are unlikely. While it’s safe to mix in a pinch, for best long-term performance change to full Max Cycle at the next service interval to ensure the additive package performs as intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with conventional and synthetic oils—no mandatory flush.\u003c\/li\u003e\n  \u003cli\u003eMixing is acceptable short-term; full change recommended for peak benefits.\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer interval recommendations in your owner’s manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical features should riders know for service and storage?\u003c\/h3\u003e\n\u003cp\u003eThe 1-quart bottle size is convenient for single oil changes on many bikes or as a top-off between services. It carries a high flash point and corrosion inhibitors, which aids storage safety and engine longevity when stored correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e32-ounce bottle—handy for routine maintenance or top-offs.\u003c\/li\u003e\n  \u003cli\u003eFlash point ~204°C for stable storage and handling.\u003c\/li\u003e\n  \u003cli\u003eRust and corrosion protection helps protect idle or infrequently used machines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Royal Purple Max Cycle 10W-40 is aimed at motorcycle owners and mechanics who need a high-performance, full-synthetic oil for air- or liquid-cooled 4-stroke engines—especially machines with wet-clutch transmissions or those ridden hard and frequently. It’s appropriate for riders seeking improved wear protection, cleaner engines, and consistent clutch performance while remaining compatible with existing oil types and standard service practices.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple Max Cycle suitable for wet-clutch motorcycles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is formulated for wet-clutch transmissions and maintains clutch feel while protecting gears and bearings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I mix this oil with conventional motor oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, Max Cycle is compatible with mineral and synthetic oils, but a full oil change is recommended for maximum performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67593141289145,"sku":"B000E2D6PK","price":61.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-cycle-front-bottle.jpg?v=1790572303"},{"product_id":"royal-purple-0w-40-synthetic-motor-oil-1-quart-bottle-api-licensed-high-performance","title":"Royal Purple 0W-40 Synthetic Motor Oil — 1 Quart Bottle, API-Licensed High-Performance","description":"\u003cb\u003eRoyal Purple 0W-40 API-licensed synthetic motor oil is a high-performance engine lubricant formulated to protect, clean, and improve efficiency in gasoline and diesel engines.\u003c\/b\u003e\n\n\u003cp\u003eThis 1-quart bottle of Royal Purple 0W-40 combines premium base stocks with the brand’s proprietary additive package to deliver broad-temperature protection, reduced friction, and enhanced wear control. The formula carries API and ILSAC licensing and meets GM dexos1* performance requirements, making it suitable for many modern vehicles that specify a high-performance 0W-40 lubricant.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does 0W-40 mean for daily driving and temperature extremes?\u003c\/h3\u003e\n\u003cp\u003e0W-40 indicates low-temperature flow performance (the \"0W\" cold rating) and a robust high-temperature viscosity (the \"40\"). That combination helps the oil circulate quickly at startup in cold weather while maintaining protective film strength during hot operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFast cold starts: flows readily at low temps to reduce wear on startup.\u003c\/li\u003e\n  \u003cli\u003eStable high-temp film strength for high revs and towing.\u003c\/li\u003e\n  \u003cli\u003eBroad operating range useful for variable climates and seasonal shifts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does Royal Purple 0W-40 protect engine components?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple’s additive chemistry targets metal-to-metal contact and deposit formation. The result is improved wear protection, corrosion resistance, and reduced friction compared with many conventional oils.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAnti-wear additives reduce component scoring and extend part life.\u003c\/li\u003e\n  \u003cli\u003eDetergents and solvency help keep pistons, rings, and passages cleaner.\u003c\/li\u003e\n  \u003cli\u003eCorrosion inhibitors protect internal surfaces from rust under storage or moisture exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I switch from conventional or other synthetics to this oil immediately?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple motor oil is fully compatible with conventional and other synthetic oils, so a direct changeover is possible. For new engines, the brand recommends waiting until the manufacturer's first scheduled oil change (or a minimum mileage period) to ensure proper break‑in.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo flushing required in most cases — compatible with existing oils.\u003c\/li\u003e\n  \u003cli\u003eNew gasoline engines: wait until first scheduled oil change or about 2,000 miles.\u003c\/li\u003e\n  \u003cli\u003eDiesel engines: allow 8,000–10,000 miles before full conversion for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil help fuel economy or emissions equipment longevity?\u003c\/h3\u003e\n\u003cp\u003eThe low coefficient of friction in Royal Purple 0W-40 can contribute to improved fuel efficiency versus higher-friction oils. Patented additives are designed to be catalyst-friendly and help protect the vehicle’s exhaust emission systems when used as directed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved mechanical efficiency can reduce fuel consumption marginally.\u003c\/li\u003e\n  \u003cli\u003eZDDP-containing additives help protect catalytic components in many applications.\u003c\/li\u003e\n  \u003cli\u003eFormulation improves compatibility with ethanol-blended fuels to avoid lubrication starvation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Royal Purple 0W-40 is aimed at drivers who need versatile, high-performance protection across wide temperature ranges: owners of performance cars, late-model gasoline or diesel vehicles that accept 0W-40 viscosities, and motorists who want a premium, API-licensed synthetic that’s compatible with existing oils. It’s also appropriate for vehicles used in towing, spirited driving, or regions with large seasonal temperature swings. As with any oil change, follow your vehicle manufacturer’s viscosity and service specifications and inspect seals if your engine has an existing high oil consumption issue.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple 0W-40 compatible with my current oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This oil is compatible with conventional and synthetic oils, so you can change over without special flushing in most cases.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use 0W-40 in cold climates?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 0W cold rating ensures quick flow at low temperatures while the 40 rating maintains high-temp protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67593468313785,"sku":"B002KD0M8A","price":55.37,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-0w40-front-label.jpg?v=1790575949"},{"product_id":"royal-purple-hmx-sae-5w-30-high-mileage-synthetic-motor-oil-1-qt-seal-restoring-anti-wear","title":"Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil - 1 Qt, Seal-Restoring \u0026 Anti-Wear","description":"\u003cstrong\u003eRoyal Purple HMX SAE 5W-30 is a high-mileage synthetic motor oil engineered to protect worn engines, rejuvenate seals, and reduce oil consumption for vehicles over 75,000 miles.\u003c\/strong\u003e\n\n\u003cp\u003eIf your car or light truck has seen many miles, its lubrication needs shift: worn bearings, hardened seals and accumulated deposits can sap performance and increase oil use. Royal Purple HMX 5W-30 reformulates oil balance for older engines by blending strong anti-wear additives, detergents and Royal Purple’s Synerlec technology to restore seal elasticity, clean deposits and build a durable lubricating film.\u003c\/p\u003e\n\n\u003ch3\u003eHow does HMX help engines with more than 75,000 miles?\u003c\/h3\u003e\n\u003cp\u003eHMX is tailored to address common aging issues without altering service recommendations for mechanically sound vehicles. It supplies concentrated anti-wear chemistry and seal-conditioning agents that help reduce leaks and oil burn-off while detergents lift accumulated sludge and varnish.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc\/phosphorus anti-wear additives to protect metal surfaces\u003c\/li\u003e\n  \u003cli\u003eSeal-restoring chemistry to reduce seepage and consumption\u003c\/li\u003e\n  \u003cli\u003eDetergents and dispersants to suspend and remove deposits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I extend oil change intervals when using this oil?\u003c\/h3\u003e\n\u003cp\u003eHMX offers enhanced oxidation resistance and film strength that can allow longer drain intervals in well-maintained engines. Royal Purple indicates up to 15,000 miles or 12 months in unmodified, mechanically sound vehicles with proper filtration, but recommends two initial 3,000-mile clean-up drains to flush deposits before stretching intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutstanding oxidation resistance to slow oil degradation\u003c\/li\u003e\n  \u003cli\u003eInitial two clean-up drains recommended for best results\u003c\/li\u003e\n  \u003cli\u003eSuitable for extended drains only in properly maintained engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this oil protect my engine at start-up and during heavy use?\u003c\/h3\u003e\n\u003cp\u003eSynerlec technology creates a tenacious lubricating film and exhibits ionic attraction to metal, helping reduce metal-to-metal contact especially during cold starts. Combined with robust anti-wear additives, HMX helps maintain protective coverage under normal driving and moderate load conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhanced film strength reduces friction and wear\u003c\/li\u003e\n  \u003cli\u003eIonic attraction improves surface protection at start-up\u003c\/li\u003e\n  \u003cli\u003eFormulation balances wear protection with cleaning power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and service categories is HMX compatible with?\u003c\/h3\u003e\n\u003cp\u003eHMX is formulated for gasoline passenger cars and light trucks with higher mileage and meets multiple API service specifications. It is suitable for engines calling for SAE 5W-30 and compatible with API SJ, SL, SM and SN service categories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended for engines with more than 75,000 miles\u003c\/li\u003e\n  \u003cli\u003eMeets API SJ, SL, SM, SN specifications\u003c\/li\u003e\n  \u003cli\u003eDesigned for gasoline cars and light-truck engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? If your vehicle has crossed the 75,000-mile mark and you want to preserve remaining engine life, reduce oil consumption, and clear internal deposits without major mechanical changes, Royal Purple HMX 5W-30 is formulated for that purpose. It’s aimed at owners of daily drivers, commuter cars and light trucks that are mechanically sound but showing typical high-mileage wear. Follow the manufacturer’s recommendation for initial clean-up drains and maintain proper filtration and routine inspections for best outcomes.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Royal Purple HMX 5W-30 safe for engines over 75,000 miles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. HMX is formulated specifically for engines beyond 75,000 miles to restore seals, reduce oil consumption, and protect against wear when the engine is mechanically sound.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I extend oil change intervals with this oil?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Potentially. With proper filtration and two initial 3,000-mile clean-up drains, Royal Purple notes up to 15,000 miles or 12 months in suitable, unmodified engines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67595573723321,"sku":"B00G3BRNLE","price":53.89,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-hmx-5w30-front-quart.jpg?v=1790589852"},{"product_id":"royal-purple-max-boost-octane-booster-16-oz-up-to-30-octane-points-stabilizes-fuel","title":"Royal Purple Max-Boost Octane Booster 16 oz — +Up to 30 Octane Points, Stabilizes Fuel","description":"\u003cp\u003e\u003cstrong\u003eRoyal Purple Max-Boost is a concentrated octane booster and fuel treatment that raises gasoline octane, stabilizes fuel, and reduces engine knock for high-performance and forced-induction engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for racers, performance enthusiasts, and anyone running demanding engines, this 16 fl oz can of Max-Boost combines a potent octane-enhancing chemistry with deposit control to help engines run smoother under stress. The formula uses MMT to deliver strong octane gains while remaining compatible with carbureted, port- and direct-injection systems as well as turbocharged, supercharged, and nitrous-equipped setups. It’s also formulated to be safe for oxygen sensors and catalytic converters when used as directed.\u003c\/p\u003e\n\n\u003ch3\u003eHow much octane improvement can I expect from Max-Boost?\u003c\/h3\u003e\n\u003cp\u003eMax-Boost is engineered to produce substantial increases in gasoline octane when added at recommended dosing. Typical results can be as much as 30 octane points (about 3 numbers) depending on starting fuel quality and mix ratios, giving extra margin against detonation and pre-ignition in stressed engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUp to +30 octane points (around +3 AKI numbers) under ideal dosing.\u003c\/li\u003e\n  \u003cli\u003eEffectiveness varies with baseline fuel octane and blend ratios.\u003c\/li\u003e\n  \u003cli\u003eWorks in both leaded and unleaded fuels, and across ethanol blends.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill Max-Boost protect my catalytic converter and sensors?\u003c\/h3\u003e\n\u003cp\u003eRoyal Purple designed Max-Boost to be compatible with modern emissions systems when used correctly. The formulation protects converters from phosphorus buildup that can come from high-performance oils, and it’s safe for oxygen sensors and catalytic converters under normal use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated to limit phosphorus-related converter degradation.\u003c\/li\u003e\n  \u003cli\u003eSafe for O2 sensors and catalytic converters when dosed per instructions.\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for proper maintenance of emission components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Max-Boost suitable for my engine and fuel type?\u003c\/h3\u003e\n\u003cp\u003eMax-Boost is versatile across fuel systems and engine configurations, from classic carburetors to modern direct-injection, as well as forced-induction and nitrous-assisted setups. It works with standard gasoline, reformulated fuel, gasohol, and all ethanol blends, making it a flexible option for many vehicles and race applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with carbureted, port- and direct-injection engines.\u003c\/li\u003e\n  \u003cli\u003eSafe for turbocharged, supercharged, and nitrous-equipped motors.\u003c\/li\u003e\n  \u003cli\u003eUsable with ethanol blends, gasohol, and reformulated gasolines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use Max-Boost and what precautions matter?\u003c\/h3\u003e\n\u003cp\u003eFollow the manufacturer’s dosing directions printed on the can for the correct octane boost and to avoid overuse. Max-Boost is a potent racing-grade formula and is not street-legal; it’s intended for competition and off-road applications where high-octane performance is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the specified dose for your fuel volume to achieve desired octane rise.\u003c\/li\u003e\n  \u003cli\u003eDo not use for routine street driving where racing additives are restricted.\u003c\/li\u003e\n  \u003cli\u003eStore upright, away from heat and open flame; keep out of reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Royal Purple Max-Boost 16 oz is aimed at motorsports teams, weekend racers, and performance vehicle owners who need maximum octane and detonation suppression for high-compression, boosted, or nitrous-injected engines. If you’re tuning for peak power, combating knock under load, or preparing a race car that requires a high-octane solution compatible with modern fuel systems, this concentrated treatment provides a strong, targeted option. Not recommended for routine on-road use where local regulations prohibit racing additives.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Max-Boost in a turbocharged engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Max-Boost is formulated for turbocharged engines and helps reduce detonation and pre-ignition when dosed as directed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Max-Boost street legal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Max-Boost is a racing-grade formula and is not intended for street-legal use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Royal Purple","offers":[{"title":"Default Title","offer_id":67595604983993,"sku":"B00HEZQHQU","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/royal-purple-max-boost-front-can.jpg?v=1790590727"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/collections\/royal-purple-max-boost-front-can_6183cc53-701d-4099-8977-ea897935407b.jpg?v=1790612621","url":"https:\/\/redleafauto.ca\/collections\/royal-purple.oembed","provider":"Redleaf Auto","version":"1.0","type":"link"}