{"product_id":"gsc-p-d-mitsubishi-4g63t-evo-1-9-polished-super-alloy-exhaust-valve-31-5mm-head-1mm-single","title":"GSC P-D Mitsubishi 4G63T Evo 1-9 Polished Super Alloy Exhaust Valve - 31.5mm Head (+1mm) - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2007-01\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e GSC2007-01\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D 1992-2006 Mitsubishi 4G63T Lancer Evolution 1-9 Polished Super Alloy Exhaust Valve - 31.5mm Head (+1mm) - Single\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis GSC Power-Division exhaust valve fits all Mitsubishi Lancer Evolution 1-9 models equipped with the 4G63T engine. Made from polished super alloy with a 31.5mm head diameter 1mm over stock size it increases exhaust flow for better scavenging and power. The one-piece forged construction handles temperatures over 1600°F with reliability at sustained high RPM.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished Super Alloy Construction:\u003c\/strong\u003e Resists exhaust gas temperatures over 1600°F while maintaining structural integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e31.5mm Head Diameter (+1mm):\u003c\/strong\u003e Provides greater exhaust port volume for improved scavenging and power output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7.00mm Stem Diameter:\u003c\/strong\u003e Matches OEM guides with reduced friction from mirror polish finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e113.95mm Overall Length:\u003c\/strong\u003e Direct replacement geometry for seamless integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece Forged Design:\u003c\/strong\u003e Eliminates weld failures and delivers consistent valve train stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as single valve order multiples for full sets\u003c\/li\u003e\n\u003cli\u003ePair with GSC valve springs for optimal control\u003c\/li\u003e\n\u003cli\u003ePackaged in protective sleeve to prevent damage\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\u003eRequires valve seat machining for +1mm oversize head\u003c\/li\u003e\n\u003cli\u003eCompatible with stock heads and aftermarket seats\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\u003e1992-1993\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1994\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1995\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo III\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-1997\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo IV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2001\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo VI, VI TME\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo VII, VII GT-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2005\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo VIII, VIII MR FQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eEvo IX, IX MR, IX MR FQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2005\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eVIII MR USDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer Evolution\u003c\/td\u003e\n\u003ctd\u003eIX MR USDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in World Cup, drag racing and time attack builds\u003c\/li\u003e\n\u003cli\u003eManufactured with aerospace-grade materials and CNC machining\u003c\/li\u003e\n\u003cli\u003eBacked by lifetime warranty on manufacturing defects\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 Will this valve fit USDM Evo 8 and 9 models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it directly fits all 4G63T-equipped Evo 1 through 9 including USDM Evo VIII 2003-2005 and Evo IX 2006\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What super alloy material is used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Inconel X-750 alloy offers high nickel content for fatigue resistance and thermal stability up to 1600°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can this be installed without a full valve job?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Oversize head requires seat and guide machining professional service advised for proper clearance\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 Protective sleeve in 6 x 4 x 1 inch box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43821074612303,"sku":"GSC2007-01","price":34.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-mitsubishi-4g63t-evo-1-9-polished-super-alloy-exhaust-valve-31_5mm-head-1mm-single-gsc-power-division.jpg?v=1767420155","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-mitsubishi-4g63t-evo-1-9-polished-super-alloy-exhaust-valve-31-5mm-head-1mm-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}