{"product_id":"hks-general-application-m-series-super-fire-racing-spark-plug","title":"HKS General Application M-Series Super Fire Racing Spark Plug","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e50003-M35IL\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266720264\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS General Application M-Series Super Fire Racing Spark Plug M35IL-9\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eHKS M-Series Super Fire Racing Spark Plug features a 0.35mm fine-wire iridium center electrode for focused spark energy in high-rpm racing applications. Designed for general use in performance Japanese vehicles including Subaru Impreza WRX STI, Toyota MR2 Turbo, and Nissan Silvia models. Delivers stable combustion, quicker throttle response, and reduced misfires under extreme conditions.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.35mm Iridium Center Electrode:\u003c\/strong\u003e Concentrates discharge for reliable ignition at high engine speeds and lean mixtures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatinum Ground Electrode:\u003c\/strong\u003e Resists wear for consistent performance over long racing sessions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecial Nickel Plating:\u003c\/strong\u003e Prevents carbon fouling and protects threads for easy removal after use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Range 35:\u003c\/strong\u003e Handles high heat loads in turbocharged or supercharged engines without pre-ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Insulator Design:\u003c\/strong\u003e Ensures optimal spark position and heat dissipation for peak efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eGap set to 0.8-0.9mm from factory, verify with engine specs before installation\u003c\/li\u003e\n\u003cli\u003eUse anti-seize on threads during install to prevent seizing\u003c\/li\u003e\n\u003cli\u003eShips in protective individual box, one plug per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eTorque to 18-22 ft-lbs using 16mm thin-wall socket\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or aftermarket coil-on-plug and distributor systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2002-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1999\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003eMR2\u003c\/td\u003e\n\u003ctd\u003eTurbo SW20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995-2002\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSilvia\u003c\/td\u003e\n\u003ctd\u003eS14 S15\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSkyline\u003c\/td\u003e\n\u003ctd\u003eGT-R R34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1998\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGSX 2G\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose HKS?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in JDM racing series like Super Taikyu and JGTC\u003c\/li\u003e\n\u003cli\u003eManufactured to exacting tolerances for consistent output\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for boosted and high-compression setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this plug fit my Subaru STI?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, direct fit for 2004-2021 Impreza WRX STI EJ25 engines, replaces NGK ILFR6B equivalents\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What electrode materials are used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 0.35mm pure iridium center electrode with tapered platinum ground strap for durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited manufacturer defect warranty, inspect regularly in racing use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Individual protective box 3in x 3in x 4in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.11 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":40271656583247,"sku":"HKS50003-M35IL","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-general-application-m-series-super-fire-racing-spark-plug-hks.jpg?v=1768435272","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-general-application-m-series-super-fire-racing-spark-plug","provider":"Black Ops Auto Works","version":"1.0","type":"link"}