{"product_id":"ngk-iridium-ix-spark-plugs-ltr7ix-11-8-pack-oem-grade-iridium-plugs-for-longer-service-life","title":"NGK Iridium IX Spark Plugs LTR7IX-11 — 8-Pack OEM-Grade Iridium Plugs for Longer Service Life","description":"\u003cp\u003e\u003cstrong\u003eNGK LTR7IX-11 Iridium IX spark plugs (8-pack, stock #6510) are high-durability OEM-grade plugs designed to deliver consistent ignition performance and long service life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese genuine NGK Iridium IX spark plugs combine a fine-wire iridium center electrode with NGK engineering to provide reliable starts, steady combustion, and extended replacement intervals versus standard plugs. Supplied as an eight-piece set, this SKU is often specified for engines that require OEM-equivalent parts and is suitable for drivers and mechanics who prioritize quality and longevity.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the LTR7IX-11 different from standard spark plugs?\u003c\/h3\u003e\n\u003cp\u003eThe Iridium IX series uses a finer, harder iridium center electrode that resists wear and maintains a stable spark gap longer than conventional plugs. That means more consistent combustion and fewer misfires over the plug’s service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine-wire iridium center electrode for precise spark delivery\u003c\/li\u003e\n  \u003cli\u003eDurable materials reduce electrode erosion and gap growth\u003c\/li\u003e\n  \u003cli\u003eOEM-level manufacturing and fitment standards\u003c\/li\u003e\n  \u003cli\u003eSold in an eight-plug set to match engines requiring that quantity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these plugs affect engine performance and maintenance intervals?\u003c\/h3\u003e\n\u003cp\u003eIridium plugs typically maintain optimal performance longer, which can translate to steadier idle, smoother throttle response, and more reliable starts across many miles. While exact mileage varies by vehicle and driving conditions, their endurance helps extend the time between plug replacements compared with copper or nickel types.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved spark stability for consistent combustion\u003c\/li\u003e\n  \u003cli\u003ePotentially longer service intervals due to resistant electrodes\u003c\/li\u003e\n  \u003cli\u003eCompatible with stock ignition systems—no extra calibration required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these NGK plugs the correct fit for my vehicle?\u003c\/h3\u003e\n\u003cp\u003eNGK manufactures plugs to precise OEM specifications, but fitment depends on your engine’s required plug type and thread size. Always verify part compatibility with your vehicle’s engine, model year, and ignition setup before purchasing to ensure proper sealing and gap clearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePart number: LTR7IX-11 (NGK stock #6510)\u003c\/li\u003e\n  \u003cli\u003eConfirm engine application, thread pitch, and reach before installation\u003c\/li\u003e\n  \u003cli\u003eSold as an eight-spark-plug set—match quantity to your engine’s cylinder count\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain NGK Iridium IX plugs?\u003c\/h3\u003e\n\u003cp\u003eInstall with a torque wrench to the manufacturer’s specified torque and check the gap if your vehicle requires a non-gapped plug. Periodic inspection during scheduled maintenance helps spot carbon buildup or abnormal wear; replace all plugs at the recommended interval for consistent performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse vehicle OEM torque specs and anti-seize guidance\u003c\/li\u003e\n  \u003cli\u003eInspect spark plug condition during routine tune-ups\u003c\/li\u003e\n  \u003cli\u003eReplace the full set to maintain balanced engine operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers, DIY mechanics, and professional technicians seeking authentic NGK Iridium IX spark plugs in an eight-pack for engines that specify the LTR7IX-11 (stock #6510). This product suits anyone replacing all plugs at once or stocking genuine OEM-equivalent parts for maintenance, aiming for longer plug life and steady ignition reliability without changing ignition components.\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 many spark plugs come in this NGK LTR7IX-11 listing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes eight NGK LTR7IX-11 spark plugs (stock #6510).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to gap NGK Iridium IX plugs before installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most Iridium IX plugs come pre-gapped, but verify and adjust gap per your vehicle's specs if required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67585865875641,"sku":"B0716788M2","price":147.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-ltr7ix-11-front-packaging.jpg?v=1790479020","url":"https:\/\/redleafauto.ca\/products\/ngk-iridium-ix-spark-plugs-ltr7ix-11-8-pack-oem-grade-iridium-plugs-for-longer-service-life","provider":"Redleaf Auto","version":"1.0","type":"link"}