{"product_id":"sykrss-ignition-coil-iridium-plug-kit-8-coils-16-plugs-for-5-7l-hemi-v8-2008-2024-oem-fit-pre-gapped","title":"SYKRSS Ignition Coil \u0026 Iridium Plug Kit, 8 Coils + 16 Plugs for 5.7L HEMI V8 (2008–2024) — OEM Fit, Pre-Gapped","description":"\u003cp\u003e\u003cstrong\u003eSYKRSS Ignition Coils (8Pack) and Premium Iridium Spark Plugs (16Pack) are a complete drop-in replacement kit engineered to restore reliable ignition and smooth running for 5.7L HEMI V8 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis all-in-one kit bundles eight direct-replacement ignition coils and sixteen pre-gapped iridium spark plugs designed specifically for many Chrysler, Dodge, Jeep, and Ram models with the 5.7L V8 between 2008 and 2024. Built to meet or exceed factory fitment and durability, the components are engineered to resist heat, prevent voltage leakage, and provide a strong, focused spark—helping correct misfires and regain throttle response. The set ships with an installation guide and includes a VIN check recommendation to confirm exact year\/plant compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this SYKRSS kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis kit targets 5.7L HEMI V8 applications across multiple Chrysler-FCA platforms. Fitment covers many model years of Chrysler 300, Dodge Challenger, Charger, Durango, Ram 1500\/2500\/3500, Jeep Grand Cherokee and others—though some years depend on the factory plant and VIN code.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 5.7L HEMI V8 models from 2008–2024 as listed in product details.\u003c\/li\u003e\n  \u003cli\u003eIncludes both coils and 2 plugs per cylinder so you replace all ignition components at once.\u003c\/li\u003e\n  \u003cli\u003eFree VIN check recommended to confirm applicability for certain model years and plants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these coils and plugs improve engine behavior?\u003c\/h3\u003e\n\u003cp\u003eThe ignition coils use silicon-steel cores, high-pressure boots, and epoxy sealing to reduce heat-related failures and voltage leaks. The iridium spark plugs have ultra-fine tips for a concentrated spark, which helps combustion stability, throttle response, and fuel efficiency without altering engine tuning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStronger, more focused spark for improved combustion consistency.\u003c\/li\u003e\n  \u003cli\u003eRobust insulation and materials to resist cracking and leakage.\u003c\/li\u003e\n  \u003cli\u003ePre-gapped plugs ensure correct electrode spacing for the targeted engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fix misfires and a rough idle?\u003c\/h3\u003e\n\u003cp\u003eReplacing all ignition coils and spark plugs at once eliminates worn or failing components that commonly cause misfires, rough idle, hesitation, stalling, and uneven acceleration. While electrical or fuel-system faults require separate diagnosis, this complete kit addresses the most frequent ignition-related causes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces all coils and plugs to prevent cylinder-to-cylinder variation.\u003c\/li\u003e\n  \u003cli\u003eRestores consistent firing across the RPM range when ignition is the root cause.\u003c\/li\u003e\n  \u003cli\u003eHelps clear ignition-related trouble codes when the hardware is the issue.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what warranty\/support is included?\u003c\/h3\u003e\n\u003cp\u003eDesigned as direct OEM replacements (compatible with common part numbers like UF504 and LZFR5CI-11), the coils and plugs install without modifications using standard hand tools. Most DIYers can complete the swap in about 40 minutes; the kit includes an installation guide and a 1-year standard protection plan for peace of mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrop-in fit for designated OEM part numbers—no special adapters required.\u003c\/li\u003e\n  \u003cli\u003eComplete kit includes 8 coils, 16 pre-gapped iridium plugs, and instructions.\u003c\/li\u003e\n  \u003cli\u003e1-year standard coverage and customer support for installation questions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This SYKRSS kit is aimed at owners, mechanics, and DIY enthusiasts with 5.7L HEMI V8 vehicles who want a full ignition refresh—especially those experiencing misfires, reduced throttle response, or routine maintenance intervals. It’s ideal when you prefer replacing all ignition components at once to ensure consistent performance across every cylinder and to avoid future intermittent faults caused by aging coils or worn plugs.\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: Do these parts directly replace OEM part numbers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Coils and plugs are precision-made to replace the listed OEM numbers like UF504 and LZFR5CI-11 with no modifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long does installation take for a DIYer?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most owners can swap all coils and plugs in roughly 30–60 minutes using basic hand tools and the included guide.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SYKRSS","offers":[{"title":"Default Title","offer_id":67584925630649,"sku":"B0DDKX6C94","price":286.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sykrss-coils-and-plugs-front-packaging.jpg?v=1790459375","url":"https:\/\/redleafauto.ca\/products\/sykrss-ignition-coil-iridium-plug-kit-8-coils-16-plugs-for-5-7l-hemi-v8-2008-2024-oem-fit-pre-gapped","provider":"Redleaf Auto","version":"1.0","type":"link"}