{"product_id":"ngk-iridium-ix-cpr7eaix-9-spark-plug-10-0-mm-thread-0-6-mm-iridium-electrode-5-kω-resistor","title":"NGK Iridium IX CPR7EAIX-9 Spark Plug — 10.0 mm Thread, 0.6 mm Iridium Electrode, 5 kΩ Resistor","description":"\u003cp\u003e\u003cstrong\u003eThe NGK CPR7EAIX-9 Iridium IX spark plug is a high-performance replacement plug featuring an ultra-fine 0.6 mm iridium center electrode for improved ignition and long-lasting durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned as part of NGK's Iridium IX line, this plug combines a hardened iridium core with precisely engineered geometry to deliver consistent spark delivery across a wide range of engines. It is built with a 10.0 mm outer thread, 19 mm thread length, a 3 mm spark position and comes with a gasket seat and 5 kOhm interference suppression. The 16 mm spanner size makes installation straightforward for most workshop tools.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the iridium center electrode improve ignition performance?\u003c\/h3\u003e\n\n\u003cp\u003eThe iridium center electrode is significantly harder and stronger than many conventional materials, allowing manufacturers to reduce the electrode diameter without sacrificing wear resistance. A finer electrode produces a more concentrated spark, helping with reliable combustion across operating conditions without altering engine hardware.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e0.6 mm ultra-fine iridium center electrode for focused spark\u003c\/li\u003e\n  \u003cli\u003eDurable iridium material resists erosion and maintains gap integrity\u003c\/li\u003e\n  \u003cli\u003eImproved ignition consistency at varying RPM and loads\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit standard ignition systems without modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specifications I should check before buying?\u003c\/h3\u003e\n\n\u003cp\u003eConfirming the plug’s thread size, length and seat type ensures a proper fit and safe operation. The CPR7EAIX-9 has a 10.0 mm outer thread, 19 mm thread length and a gasket seat — match these to your engine’s requirements and verify the 16 mm spanner size for installation access.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOuter thread: 10.0 mm\u003c\/li\u003e\n  \u003cli\u003eThread length: 19 mm\u003c\/li\u003e\n  \u003cli\u003eSpark position (projection): 3 mm\u003c\/li\u003e\n  \u003cli\u003eSpanner size: 16 mm and gasket seat type\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this spark plug reduce electrical interference or affect ignition systems?\u003c\/h3\u003e\n\n\u003cp\u003eThis model includes a 5 kΩ resistor for interference suppression to help limit electromagnetic noise affecting radios and electronic systems. It is compatible with most conventional and modern ignition systems, but always consult your vehicle’s service information to confirm compatibility with coil-on-plug or aftermarket ignition components.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e5 kΩ integrated resistor for radio and electronics protection\u003c\/li\u003e\n  \u003cli\u003eSingle earthed electrode configuration for proven spark path\u003c\/li\u003e\n  \u003cli\u003eWorks with standard OEM-type ignition systems when matched correctly\u003c\/li\u003e\n  \u003cli\u003eNo engine reprogramming required for direct-fit replacements in approved applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these plugs for best results?\u003c\/h3\u003e\n\n\u003cp\u003eInstall with the correct torque and ensure the gasket seat seats flat to avoid compression leaks. Check and set the electrode gap only if your vehicle manual specifies a particular gap; otherwise, leave factory gap intact. Periodic inspection during routine service will reveal electrode wear or fouling if present.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eUse a 16 mm socket and torque to the vehicle manufacturer’s specification\u003c\/li\u003e\n  \u003cli\u003eDo not overtighten—secure gasket seat for proper sealing\u003c\/li\u003e\n  \u003cli\u003eReplace per manufacturer interval or when signs of wear appear\u003c\/li\u003e\n  \u003cli\u003eKeep factory gap unless a specific gap is required by your engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The NGK CPR7EAIX-9 is intended for vehicle owners, mechanics and performance-minded drivers seeking a reliable direct-fit iridium replacement plug. It suits applications that require a 10.0 mm thread with a 19 mm reach and a gasket seat, and for anyone wanting long-lasting electrode life and interference suppression without changing ignition hardware.\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 the NGK CPR7EAIX-9 a direct fit for my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Match your vehicle’s required thread diameter, thread length, and seat type to ensure fit; this model is 10.0 mm outer thread with a 19 mm thread length and gasket seat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to change the gap before installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Only adjust the gap if your vehicle manufacturer specifies a different setting; otherwise install with the factory-set gap.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":55161831063895,"sku":"B00311ANNO","price":30.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ngk-iridium-ix-front-packaging.jpg?v=1790332617","url":"https:\/\/britishgarage.co.uk\/products\/ngk-iridium-ix-cpr7eaix-9-spark-plug-10-0-mm-thread-0-6-mm-iridium-electrode-5-k%cf%89-resistor","provider":"British Garage","version":"1.0","type":"link"}