{"product_id":"ngk-iridium-ix-spark-plugs-ltr7ix-11-8-pack-iridium-tip-oem-grade-for-long-life-and-stable-combustion","title":"NGK Iridium IX Spark Plugs LTR7IX-11 8-Pack — Iridium Tip, OEM-Grade for Long Life and Stable Combustion","description":"\u003cb\u003eNGK LTR7IX-11 (stock #6510) Iridium IX spark plugs — an 8-pack of OEM-grade ignition parts engineered for consistent starting, fuel efficiency, and long service life.\u003c\/b\u003e\n\n\u003cp\u003eThese are genuine NGK Iridium IX spark plugs, sold as a set of eight and commonly specified as original equipment on many vehicles. The LTR7IX-11 (6510) combines a fine iridium center electrode with NGK’s proven construction to deliver reliable spark performance across a wide range of driving conditions. Designed and manufactured by NGK — the world’s largest OEM spark plug supplier — these plugs prioritize durability and steady combustion rather than marketing claims. Always verify fitment with your vehicle’s engine, drivetrain, and the required plug quantity before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eHow do NGK Iridium IX plugs affect everyday driving?\u003c\/h3\u003e\n\u003cp\u003eIridium center electrodes are very hard and retain their shape longer than standard electrodes, which helps maintain a stable spark over time. That stability supports smoother starts, steadier idling, and more consistent throttle response when the plugs are within service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium tip reduces electrode wear for longer interval between changes\u003c\/li\u003e\n  \u003cli\u003eStable spark improves combustion consistency at various engine loads\u003c\/li\u003e\n  \u003cli\u003eOEM-grade build reduces variability between cylinders\u003c\/li\u003e\n  \u003cli\u003eSold in an 8-pack to fit vehicles requiring that quantity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and how do I confirm compatibility?\u003c\/h3\u003e\n\u003cp\u003eNGK LTR7IX-11 (6510) fits applications that specify the LTR7IX-11 or 6510 part number; many manufacturers list NGK part numbers in their parts catalogs. Cross-check your owner’s manual, dealer parts lookup, or an online vehicle parts selector to confirm the correct electrode gap, thread size, and reach for your engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck vehicle make, model, year, and engine code against NGK or dealer listings\u003c\/li\u003e\n  \u003cli\u003eVerify thread size, hex size, and reach to avoid interference with the combustion chamber\u003c\/li\u003e\n  \u003cli\u003eConfirm the required quantity — this listing contains eight plugs\u003c\/li\u003e\n  \u003cli\u003eConsult a service technician if unsure about compatibility or installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat maintenance or installation steps should I follow?\u003c\/h3\u003e\n\u003cp\u003eInstall with the correct torque and a clean spark plug bore to ensure sealing and good heat transfer. Use an anti-seize only if the vehicle manufacturer recommends it, and always gapp the plugs to the specification for your engine if they are not pre-gapped.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTighten to the vehicle maker’s torque specification to prevent damage\u003c\/li\u003e\n  \u003cli\u003eReplace all plugs at the same time for balanced combustion across cylinders\u003c\/li\u003e\n  \u003cli\u003eInspect ignition coils and wires during replacement for wear or damage\u003c\/li\u003e\n  \u003cli\u003eRecord mileage to track future replacement intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose NGK Iridium IX over standard plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium IX plugs use a very fine iridium center electrode that resists erosion and helps maintain a focused spark. This design typically offers a balance of long life and consistent ignition performance compared with conventional nickel plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium tip preserves spark shape and timing longer\u003c\/li\u003e\n  \u003cli\u003eOEM-level manufacturing quality and consistency\u003c\/li\u003e\n  \u003cli\u003eDurability suited to everyday driving and higher-mileage engines\u003c\/li\u003e\n  \u003cli\u003eSold in manufacturer-specified quantities for proper service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and mechanics seeking OEM-quality replacement spark plugs for vehicles that specify NGK LTR7IX-11 (6510) — particularly those who want longer-lasting electrodes and consistent ignition performance. This 8-pack suits vehicles that require eight plugs, fleets needing synchronized replacement sets, and DIYers or shops aiming to restore reliable combustion without altering engine tuning. Always confirm fitment before ordering.\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: Does this listing include eight plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This product is an 8-pack of NGK Iridium IX LTR7IX-11 (stock #6510) spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I gap these plugs before installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Confirm your vehicle's required gap; NGK often pre-gaps, but you should verify and adjust if necessary.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48079829565598,"sku":"B0716788M2","price":96.06,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-iridium-ix-front-packaging.jpg?v=1785772003","url":"https:\/\/northtrailauto.ca\/products\/ngk-iridium-ix-spark-plugs-ltr7ix-11-8-pack-iridium-tip-oem-grade-for-long-life-and-stable-combustion","provider":"North Trail Auto","version":"1.0","type":"link"}