{"product_id":"ngk-iridium-spark-plugs-lfr6aix-11-4-pack-high-durability-fine-tip-electrodes-for-longer-life","title":"NGK Iridium Spark Plugs LFR6AIX-11 — 4-Pack High-Durability Fine-Tip Electrodes for Longer Life","description":"\u003cstrong\u003eNGK LFR6AIX-11 iridium spark plugs (4-pack) are high-durability OEM-grade ignition plugs built for consistent performance and long service life.\u003c\/strong\u003e\n\n\u003cp\u003eThese NGK iridium plugs are engineered to meet or exceed many original equipment specifications, offering fine-tipped iridium electrodes for reliable sparks and improved wear resistance. Commonly used across a wide range of gasoline engines, the LFR6AIX-11 model is designed to deliver steady ignition, longer intervals between replacements, and compatibility with precise engine tolerances. Before purchasing, confirm fitment for your specific vehicle make, engine size, and required quantity to ensure correct installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these NGK iridium plugs improve ignition reliability?\u003c\/h3\u003e\n\u003cp\u003eThe LFR6AIX-11 uses a durable iridium center electrode that maintains a sharp edge far longer than conventional materials, helping produce a consistent spark under varied driving conditions. That steadier spark can contribute to smoother starts and more stable combustion cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for lasting spark sharpness\u003c\/li\u003e\n  \u003cli\u003eRobust ground electrode to resist premature wear\u003c\/li\u003e\n  \u003cli\u003ePrecision manufacturing tolerances for consistent gap stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and how do I check compatibility?\u003c\/h3\u003e\n\u003cp\u003eNGK supplies a comprehensive application guide—use it to match the LFR6AIX-11 to your vehicle’s engine code and drivetrain. Fitment depends on engine design and the number of required plugs; always verify the part number against your manufacturer's recommendation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm NGK part number LFR6AIX-11 against vehicle application charts\u003c\/li\u003e\n  \u003cli\u003eCheck engine model and required plug quantity before ordering\u003c\/li\u003e\n  \u003cli\u003eConsult vehicle service manual or NGK online lookup for exact fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these iridium plugs to last compared with standard plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium-plated electrodes are significantly harder and more wear-resistant than copper or nickel designs, typically extending service intervals under normal driving conditions. Actual life varies with driving habits, engine condition, and maintenance, but many users report longer replacement intervals compared with conventional plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium material gives extended wear resistance\u003c\/li\u003e\n  \u003cli\u003eStable electrode geometry helps preserve gap longer\u003c\/li\u003e\n  \u003cli\u003eService life depends on driving style and engine health\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard spark plug procedures: confirm torque specs, use the correct spark plug socket, and check gap only if specified by NGK for this model. Proper installation prevents misfires and helps the plug achieve optimal performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse manufacturer torque specs to avoid over- or under-tightening\u003c\/li\u003e\n  \u003cli\u003eInspect old plugs for deposits or engine issues before replacing\u003c\/li\u003e\n  \u003cli\u003eReplace in full sets as recommended by vehicle makers for balanced performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The NGK LFR6AIX-11 4-pack is aimed at drivers, mechanics, and fleet technicians who want a long-lasting, OEM-quality replacement plug for gasoline engines that accept this NGK part number. It's a good pick for anyone seeking improved durability and consistent ignition from a globally recognized original equipment supplier; just verify the plug's fit for your specific engine model and required quantity before purchase.\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: Are these NGK LFR6AIX-11 plugs compatible with my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check NGK's online application guide or your vehicle manual for LFR6AIX-11 compatibility by engine code and plug quantity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace NGK iridium spark plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs typically last longer than conventional types—check vehicle service intervals and inspect plugs for wear regularly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":67586895118521,"sku":"B00KEYKUXO","price":92.85,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ngk-lfr6aix-11-front-packaging.jpg?v=1790496352","url":"https:\/\/redleafauto.ca\/products\/ngk-iridium-spark-plugs-lfr6aix-11-4-pack-high-durability-fine-tip-electrodes-for-longer-life","provider":"Redleaf Auto","version":"1.0","type":"link"}