{"product_id":"ngk-iridium-ix-spark-plug-set-cr8eix-4218-2-piece-replacement-long-life-iridium-electrodes","title":"NGK Iridium IX spark plug set CR8EIX (4218) — 2-piece replacement, long-life iridium electrodes","description":"\u003cp\u003e\u003cstrong\u003eNGK Iridium IX CR8EIX (4218) spark plug set — two genuine NGK iridium replacement plugs engineered for reliable ignition and long electrode life.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese NGK Iridium IX spark plugs (CR8EIX \/ part 4218) are sold as a two-piece set and supplied in original manufacturer packaging. They are designed as direct-fit replacements for compatible gasoline engines and are intended to deliver consistent spark performance, long wear life, and straightforward installation for mechanics and DIYers. Always confirm exact vehicle fitment before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes the NGK Iridium IX CR8EIX different from standard plugs?\u003c\/h3\u003e\n\n\u003cp\u003eThe Iridium IX line uses a fine iridium center electrode and a specially shaped ground electrode to produce a concentrated spark with improved durability versus conventional nickel plugs. That construction helps maintain stable ignition timing and reduces electrode erosion over many miles.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFine iridium center electrode for a focused spark\u003c\/li\u003e\n  \u003cli\u003eHard-wearing materials for extended service life\u003c\/li\u003e\n  \u003cli\u003eOptimized electrode geometry for efficient combustion\u003c\/li\u003e\n  \u003cli\u003eManufactured and packaged by NGK to OEM-quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and compatibility with my vehicle?\u003c\/h3\u003e\n\n\u003cp\u003eThese plugs are produced to OEM form, fit and function so they install like the original factory parts. Installation is straightforward with standard tools, but torque specs and gap checks should follow the vehicle manufacturer’s recommendations. Use an online fitment tool or dealer lookup to confirm compatibility before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-replacement design matches original plug dimensions\u003c\/li\u003e\n  \u003cli\u003eSupplied in original NGK packaging with hardware as applicable\u003c\/li\u003e\n  \u003cli\u003eFits vehicles that specify CR8EIX \/ NGK 4218 — confirm with fitment tool\u003c\/li\u003e\n  \u003cli\u003eRequires proper torque and gap verification during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and maintenance benefits can I expect?\u003c\/h3\u003e\n\n\u003cp\u003eThe iridium electrode and NGK manufacturing controls help preserve spark efficiency and reduce the frequency of replacements compared with standard plugs. While individual results vary with driving habits and engine condition, these plugs are built to offer long service intervals and steady starting performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eImproved wear resistance for longer service life\u003c\/li\u003e\n  \u003cli\u003eConsistent ignition that supports steady engine operation\u003c\/li\u003e\n  \u003cli\u003eHelps maintain fuel combustion efficiency when fitted correctly\u003c\/li\u003e\n  \u003cli\u003eSold as a convenient two-pack for multi-cylinder servicing or spares\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before ordering this NGK spark plug set?\u003c\/h3\u003e\n\n\u003cp\u003eVerify that CR8EIX (NGK part number 4218) is the specified plug for your engine using your vehicle’s service manual, an online OEM parts catalog, or a retailer fitment check. Also confirm the recommended torque, plug gap, and any special installation notes for your engine model before replacing plugs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConfirm part number CR8EIX \/ 4218 matches your vehicle model and year\u003c\/li\u003e\n  \u003cli\u003eCheck and set the correct electrode gap pre-installation\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer torque specs to avoid damage or poor seating\u003c\/li\u003e\n  \u003cli\u003eKeep original packaging and hardware included for authenticity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? Mechanics, restoration enthusiasts, and car owners who need a genuine NGK iridium replacement plug for vehicles calling for CR8EIX (4218) will find this two-piece set convenient and reliable. It’s suited for anyone wanting OEM-quality spark plugs with extended electrode life and consistent ignition characteristics; ideal for scheduled maintenance or as on-hand spares for multi-cylinder servicing. Remember to confirm fitment and follow proper installation procedures for best results.\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 plugs genuine NGK parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This listing is for original NGK Iridium IX CR8EIX (4218) plugs supplied in manufacturer packaging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these fit my car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check your vehicle’s service manual or use an online confirm-fit tool to verify CR8EIX (NGK 4218) compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":55166105485655,"sku":"B009ZF5HZE","price":37.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ngk-iridium-ix-cr8eix-front-packaging.jpg?v=1790363040","url":"https:\/\/britishgarage.co.uk\/products\/ngk-iridium-ix-spark-plug-set-cr8eix-4218-2-piece-replacement-long-life-iridium-electrodes","provider":"British Garage","version":"1.0","type":"link"}