{"product_id":"ngk-iridium-spark-plug-imr9c-9h-6777","title":"NGK Iridium Spark Plug IMR9C-9H – 6777","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eNGK IMR9C-9H Iridium Spark Plug\u003c\/strong\u003e is a premium performance spark plug designed to provide \u003cstrong\u003eexcellent ignitability, improved throttle response, reliable starting and stable combustion\u003c\/strong\u003e.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eFeaturing an ultra-fine \u003cstrong\u003eiridium alloy centre electrode\u003c\/strong\u003e, the IMR9C-9H produces a strong, consistent spark while requiring less voltage for ignition. This helps the engine burn the air\/fuel mixture efficiently and maintain dependable performance across a wide range of riding conditions.\u003c\/p\u003e\n\u003cp\u003eSuitable for selected Honda motorcycles including the \u003cstrong\u003eCBR1100XX Super Blackbird, CBR600F\/F4i\/FS, CBR600RR, CBR929RR and CBR954RR FireBlade\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine \u003cstrong\u003eNGK Iridium\u003c\/strong\u003e spark plug\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNGK Part Number: IMR9C-9H\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStock Number: 6777\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUltra-fine iridium centre electrode\u003c\/li\u003e\n\u003cli\u003eExcellent ignition performance\u003c\/li\u003e\n\u003cli\u003eImproved throttle response and acceleration\u003c\/li\u003e\n\u003cli\u003eHelps provide stable engine starting and idling\u003c\/li\u003e\n\u003cli\u003eDesigned for efficient combustion\u003c\/li\u003e\n\u003cli\u003eWide operating heat range\u003c\/li\u003e\n\u003cli\u003eHigh-quality ceramic insulator\u003c\/li\u003e\n\u003cli\u003eStrong, airtight construction\u003c\/li\u003e\n\u003cli\u003eInsulator corrugations help prevent flashover\u003c\/li\u003e\n\u003cli\u003ePremium replacement plug for standard engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e NGK\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e IMR9C-9H\u003cbr\u003e\u003cstrong\u003eStock Number:\u003c\/strong\u003e 6777\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Iridium Spark Plug\u003cbr\u003e\u003cstrong\u003eTerminal:\u003c\/strong\u003e Screw Type\u003cbr\u003e\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e 10.0mm\u003cbr\u003e\u003cstrong\u003eThread Length:\u003c\/strong\u003e 19.0mm\u003cbr\u003e\u003cstrong\u003eHex Size:\u003c\/strong\u003e 16.0mm\u003cbr\u003e\u003cstrong\u003eHeat Range:\u003c\/strong\u003e 9\u003c\/p\u003e\n\u003ch3\u003eDENSO Cross Reference\u003c\/h3\u003e\n\u003cp\u003eCompatible DENSO references include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIUH27D\u003c\/li\u003e\n\u003cli\u003eVUH27D\u003c\/li\u003e\n\u003cli\u003eVUH27Z\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda OEM Cross Reference\u003c\/h3\u003e\n\u003cp\u003eThe IMR9C-9H is listed against the following Honda OEM spark plug part numbers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e31912-MBW-E11\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e31922-MBW-E12\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e98059-5992U\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIridium Performance\u003c\/h2\u003e\n\u003cp\u003eThe ultra-fine iridium centre electrode allows the spark to form efficiently, helping improve ignitability and combustion.\u003c\/p\u003e\n\u003cp\u003eCompared with a conventional spark plug, this design can provide a sharper response when opening the throttle, improved starting characteristics and smoother, more stable engine operation.\u003c\/p\u003e\n\u003cp\u003eActual performance improvements can vary depending on the motorcycle and condition of the engine.\u003c\/p\u003e\n\u003ch2\u003eNGK Wide-Range Technology\u003c\/h2\u003e\n\u003cp\u003eNGK uses a \u003cstrong\u003ecopper-core centre electrode\u003c\/strong\u003e designed to transfer heat efficiently away from the firing end.\u003c\/p\u003e\n\u003cp\u003eCombined with NGK's high-alumina ceramic insulator, this provides excellent electrical insulation, heat conductivity and resistance to thermal shock.\u003c\/p\u003e\n\u003cp\u003eCorrugations incorporated into the insulator increase the surface distance between the terminal and metal shell, helping prevent high-voltage flashover.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003ch3\u003eHonda CBR1100XX Super Blackbird\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2001 onwards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSC35\u003c\/li\u003e\n\u003cli\u003e1100cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR600F\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2001 onwards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRe-import models\u003c\/li\u003e\n\u003cli\u003e600cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR600F4i\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2001 onwards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePC35 re-import\u003c\/li\u003e\n\u003cli\u003e600cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR600FS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2001 onwards\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRe-import models\u003c\/li\u003e\n\u003cli\u003e600cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR600RR\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2003–2004\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRe-import models\u003c\/li\u003e\n\u003cli\u003e600cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR929RR FireBlade\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2000–2001\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSC44\u003c\/li\u003e\n\u003cli\u003e929cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHonda CBR954RR FireBlade\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e2002–2003\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSC50\u003c\/li\u003e\n\u003cli\u003eReverse import\u003c\/li\u003e\n\u003cli\u003e954cc\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4 plugs required\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBenefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eStrong and consistent ignition\u003c\/li\u003e\n\u003cli\u003eImproved throttle response\u003c\/li\u003e\n\u003cli\u003eReliable cold and hot starting\u003c\/li\u003e\n\u003cli\u003eStable idle performance\u003c\/li\u003e\n\u003cli\u003eEfficient combustion\u003c\/li\u003e\n\u003cli\u003ePremium iridium electrode technology\u003c\/li\u003e\n\u003cli\u003eExcellent durability\u003c\/li\u003e\n\u003cli\u003eIdeal for servicing compatible Honda sports motorcycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThis listing is for \u003cstrong\u003e1 × spark plug\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMotorcycles listed above require \u003cstrong\u003e4 plugs for a complete engine replacement\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003ePlease confirm the \u003cstrong\u003eIMR9C-9H\u003c\/strong\u003e specification against your motorcycle before ordering.\u003c\/li\u003e\n\u003cli\u003eFitment information may vary depending on model, year and market specification.\u003c\/li\u003e\n\u003cli\u003eEnsure the terminal configuration is compatible with your motorcycle's plug caps.\u003c\/li\u003e\n\u003cli\u003eSpark plugs should be installed to the motorcycle manufacturer's specified procedure and tightening torque.\u003c\/li\u003e\n\u003cli\u003eAny supplied instructions may be written in Japanese.\u003c\/li\u003e\n\u003cli\u003ePerformance improvements can vary depending on the motorcycle and engine condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNGK Iridium – Precision Ignition for Honda Performance Motorcycles\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNGK IMR9C-9H\u003c\/strong\u003e combines iridium electrode technology with NGK's proven spark plug construction to deliver \u003cstrong\u003ereliable ignition, responsive performance and dependable combustion\u003c\/strong\u003e for compatible Honda motorcycles.\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":55101290479895,"sku":"6777","price":33.7,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0700\/9343\/9255\/files\/Untitled-December08_2024at21.55.32-2-2026-09-02T193920.949.png?v=1788334769","url":"https:\/\/bushidomotorcycles.nz\/products\/ngk-iridium-spark-plug-imr9c-9h-6777","provider":"Bushido Motorcycles","version":"1.0","type":"link"}