{"product_id":"ngk-iridium-ix-spark-plugs-cr8eix-4218-set-of-2-direct-fit-long-life-ignition","title":"NGK Iridium IX Spark Plugs CR8EIX (4218) Set of 2 — Direct-Fit, Long-Life Ignition","description":"\u003cp\u003e\u003cstrong\u003eGenuine NGK Iridium IX CR8EIX (4218) spark plug set — a 2-piece direct replacement engineered for longer life, reliable ignition and stable performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK Iridium IX plugs (part CR8EIX, OE 4218) come as an authentic two-piece set packaged with original hardware. Designed for vehicles that require an iridium-tipped electrode, this pair replaces worn or fouled plugs to restore ignition consistency and help maintain engine responsiveness. They are sold as genuine NGK components and are intended to match factory fitment when your vehicle specifies CR8EIX.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these plugs affect everyday driving?\u003c\/h3\u003e\n\u003cp\u003eIridium electrodes are made for sustained spark reliability, which can translate into easier starts and steadier idling during normal use. While outcomes vary by vehicle and condition, many drivers notice smoother throttle response and more uniform combustion compared with worn plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCrystal-fine iridium tip for a concentrated spark\u003c\/li\u003e\n  \u003cli\u003eImproved ignition stability under typical driving loads\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design to replace OEM CR8EIX plugs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose NGK Iridium IX instead of standard plugs?\u003c\/h3\u003e\n\u003cp\u003eNGK’s Iridium IX series uses a harder, higher-melting-point alloy at the center electrode, which resists wear better than conventional nickel electrodes. That longevity can mean longer service intervals and more consistent performance over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable iridium center electrode reduces erosion\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain gap and spark focus longer\u003c\/li\u003e\n  \u003cli\u003eManufactured to NGK quality and tolerances for reliable fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my vehicle and what comes in the box?\u003c\/h3\u003e\n\u003cp\u003eThis listing is for a 2-piece NGK Iridium IX CR8EIX (4218) set; verify compatibility using your vehicle’s specifications or a fitment tool. Each package ships with the original NGK packaging and necessary hardware included by the manufacturer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo NGK Iridium IX CR8EIX (4218) spark plugs per set\u003c\/li\u003e\n  \u003cli\u003eOriginal NGK packaging and factory-supplied hardware\u003c\/li\u003e\n  \u003cli\u003eConfirm fitment with your vehicle’s make\/model and NGK references\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should these spark plugs be installed and maintained?\u003c\/h3\u003e\n\u003cp\u003eInstall with the correct torque and gap settings per your vehicle manufacturer; improper installation can damage the plug or cylinder head. Periodic inspection during scheduled maintenance helps detect fouling or abnormal wear early.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a torque wrench to NGK\/manufacturer torque spec\u003c\/li\u003e\n  \u003cli\u003eCheck and set gap only if recommended by vehicle service manual\u003c\/li\u003e\n  \u003cli\u003eInspect periodically for deposits, wear, or electrode damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This NGK Iridium IX CR8EIX (4218) two-pack is for drivers and mechanics seeking an OEM-quality iridium spark plug as a direct replacement for vehicles that specify CR8EIX. It suits owners who prefer genuine NGK parts for reliable fitment, longer electrode life than standard plugs, and straightforward swap-in service during routine tune-ups.\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 this NGK set compatible with my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s owner manual or a parts fitment tool for CR8EIX (4218) compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many plugs are included and are they genuine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This listing includes two genuine NGK Iridium IX CR8EIX (4218) spark plugs with original packaging.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48084764164254,"sku":"B009ZF5HZE","price":38.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-iridium-ix-front-packaging_d3de72ec-1c5b-44dd-b5ca-e37010d98bd9.jpg?v=1785862292","url":"https:\/\/northtrailauto.ca\/products\/ngk-iridium-ix-spark-plugs-cr8eix-4218-set-of-2-direct-fit-long-life-ignition","provider":"North Trail Auto","version":"1.0","type":"link"}