{"product_id":"triumph-955-daytona-speed-triple-sprint-ngk-cr9eix-spark-plugs-x3","title":"Triumph 955 Daytona Speed Triple Sprint NGK CR9EIX Plugs x3","description":"\u003ch2\u003eTriumph 955 Triple – NGK CR9EIX Iridium IX Spark Plugs x3\u003c\/h2\u003e\u003cp\u003ePack of \u003cstrong\u003e3 genuine NGK CR9EIX Iridium IX spark plugs\u003c\/strong\u003e, NGK stock number \u003cstrong\u003e3521\u003c\/strong\u003e. The three-pack is particularly useful for compatible three-cylinder motorcycles where all plugs are replaced as a set.\u003c\/p\u003e\u003ch3\u003eWhat You Receive\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3 x genuine NGK CR9EIX Iridium IX spark plugs\u003c\/li\u003e\n\u003cli\u003eNGK retail packaging \/ identification as shown in the product image\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCR9EIX Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK plug code:\u003c\/strong\u003e CR9EIX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK stock \/ manufacturer number:\u003c\/strong\u003e 3521\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Iridium IX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 3 genuine NGK spark plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread diameter:\u003c\/strong\u003e 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread pitch:\u003c\/strong\u003e 1.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread reach:\u003c\/strong\u003e 19 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex \/ wrench size:\u003c\/strong\u003e 16 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat range:\u003c\/strong\u003e 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistor type:\u003c\/strong\u003e yes (R in CR9EIX)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat:\u003c\/strong\u003e gasket \/ flat-seat type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCentre electrode:\u003c\/strong\u003e fine-wire iridium, approximately 0.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Iridium IX?\u003c\/h3\u003e\u003cp\u003eNGK uses a very fine iridium centre electrode to improve ignitability while resisting spark erosion. NGK lists CR9EIX as the advanced iridium option for many applications that use a CR9E\/CR9EK-family standard plug.\u003c\/p\u003e\u003ch3\u003eFitment Guide\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriumph Daytona 955i – 2002–2006:\u003c\/strong\u003e NGK lists CR9EIX stock 3521; 3 cylinders; 0.6 mm application gap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriumph Speed Triple 955 – 2002–2004:\u003c\/strong\u003e NGK lists CR9EIX \/ 3521; 3 cylinders; 0.6 mm gap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriumph Sprint 955 RS – 2001–2005:\u003c\/strong\u003e NGK lists CR9EIX \/ 3521; 3 cylinders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriumph Sprint 955 ST – 2001 onward in NGK's application data:\u003c\/strong\u003e CR9EIX \/ 3521; 3 cylinders.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment confidence:\u003c\/strong\u003e High for the exact CR9EIX years listed by NGK.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpark-gap note:\u003c\/strong\u003e NGK lists 0.6 mm for the verified Daytona 955i, Speed Triple 955 and most CR9EIX Sprint 955 applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Earlier 955 models can use a different NGK plug family such as DPR8EIX-9. Match the model year and existing plug before ordering.\u003c\/p\u003e\u003ch3\u003eManufacturer \/ Cross-References\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK CR9EIX\u003c\/strong\u003e – primary plug code\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK 3521\u003c\/strong\u003e – NGK stock \/ manufacturer number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNGK CR9EK \/ stock 4548\u003c\/strong\u003e – standard NGK plug used on many of the verified Triumph three-cylinder applications below; CR9EIX is the NGK advanced iridium option\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eVehicle manufacturers may assign their own service part numbers, but \u003cstrong\u003eCR9EIX \/ 3521\u003c\/strong\u003e is the key manufacturer identification for this genuine NGK product.\u003c\/p\u003e\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck the existing spark-plug code or the NGK\/Niterra application finder for your exact model and year.\u003c\/li\u003e\n\u003cli\u003eDo not order purely by engine capacity: motorcycles with the same capacity can use different heat ranges, reach, electrode styles or factory gaps.\u003c\/li\u003e\n\u003cli\u003eThis listing contains \u003cstrong\u003ethree plugs\u003c\/strong\u003e. Confirm your engine requires three if buying a complete service set.\u003c\/li\u003e\n\u003cli\u003eDo not substitute CR9EIX for CR9EIA-9, CR8EIX, DPR8EIX-9 or other visually similar NGK plugs unless the manufacturer\/application data explicitly permits it.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitting Note\u003c\/h3\u003e\u003cp\u003eInstall spark plugs into a cool cylinder head using the correct tightening method for the engine manufacturer. Start the plug by hand to avoid cross-threading, and do not alter the factory electrode position unless the vehicle specification specifically requires a gap check\/adjustment.\u003c\/p\u003e\u003ch3\u003eDelivery \u0026amp; Returns\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFree UK delivery with an estimated 2–3 working-day service\u003c\/li\u003e\n\u003cli\u003e30-day returns, subject to the plugs remaining unused and in resalable condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":57428427637111,"sku":"CR9EIX X 3","price":30.0,"currency_code":"SHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8771\/6007\/files\/20260719_172830_8e4f6650-db83-4990-bf1e-781e51160438.jpg?v=1788262717","url":"https:\/\/www.motomaniauk.com\/products\/triumph-955-daytona-speed-triple-sprint-ngk-cr9eix-spark-plugs-x3","provider":"Moto Mania UK","version":"1.0","type":"link"}