{"product_id":"brian-crower-valve-guides-6-6mm-mitsubishi-4g63-evo-exhaust-quantity-of-8","title":"Brian Crower Valve Guides - 6.6mm Mitsubishi 4G63\/Evo Exhaust (Quantity of 8)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e BC3911 \u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eBrian Crower Valve Guides 6.6mm Mitsubishi 4G63 Evo Exhaust 1990-2006 (Set of 8)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBrian Crower BC3911 valve guides feature a 6.6mm inner diameter designed specifically for exhaust valves in Mitsubishi 4G63 engines. These guides fit a range of DSM and Evo models including Eclipse GST GSX Talon and Lancer Evolution for reliable valve stem alignment during high revving conditions. The set of 8 provides complete coverage for the exhaust side delivering consistent performance and reduced wear in tuned motors.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManganese Bronze Material:\u003c\/strong\u003e Handles high exhaust temperatures with effective heat dissipation and resistance to galling for longer head life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6.6mm Inner Diameter:\u003c\/strong\u003e Matches OEM Evo 4G63 exhaust valve specs for exact stem clearance and minimal side loading\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet of 8 Guides:\u003c\/strong\u003e Covers all exhaust ports on DOHC 4G63 heads simplifying full rebuilds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Machined Tolerances:\u003c\/strong\u003e Ensures smooth valve action and seals properly with stock or aftermarket seats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Engineered:\u003c\/strong\u003e Developed for turbocharged 4G63 applications supporting 500+ whp levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eIntended for exhaust valves only pair with BC3910 intake guides for complete sets\u003c\/li\u003e\n\u003cli\u003eInspect valve seats during installation for proper contact and interference\u003c\/li\u003e\n\u003cli\u003ePackaged securely lightweight at 0.25 lbs fits easily in standard shipping\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 guide puller and driver tool for press fit removal and insertion\u003c\/li\u003e\n\u003cli\u003eCompatible with multi-angle valve seats verify head condition before assembly\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\u003e1990-1998\u003c\/td\u003e\n\u003ctd\u003eEagle\u003c\/td\u003e\n\u003ctd\u003eTalon\u003c\/td\u003e\n\u003ctd\u003eTSi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eGSX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1996-1999\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eEclipse\u003c\/td\u003e\n\u003ctd\u003eSpyder GST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991-1992\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eGalant\u003c\/td\u003e\n\u003ctd\u003eVR-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2006\u003c\/td\u003e\n\u003ctd\u003eMitsubishi\u003c\/td\u003e\n\u003ctd\u003eLancer\u003c\/td\u003e\n\u003ctd\u003eEvolution\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\u003c\/td\u003e\n\u003ctd\u003eEvolution MR\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\u003c\/td\u003e\n\u003ctd\u003eEvolution RS\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\u003c\/td\u003e\n\u003ctd\u003eEvolution SE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1994\u003c\/td\u003e\n\u003ctd\u003ePlymouth\u003c\/td\u003e\n\u003ctd\u003eLaser\u003c\/td\u003e\n\u003ctd\u003eRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Brian Crower?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for motorsport use in drag road race and rally 4G63 builds\u003c\/li\u003e\n\u003cli\u003eConsistent quality from CNC machining and material selection\u003c\/li\u003e\n\u003cli\u003eBacked by decades of experience in Japanese performance components\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 BC3911 fit Evo 8 and 9 models?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes fits 2003-2006 Mitsubishi Lancer Evolution including MR RS and SE with 4G63 engines\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are these valve guides made from?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze for optimal thermal conductivity and durability under boost\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is there a warranty on Brian Crower valve guides?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Covered under Brian Crower limited lifetime warranty against manufacturing defects\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 Compact box 4 x 4 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brian Crower","offers":[{"title":"Default Title","offer_id":44300437618767,"sku":"BRCBC3911","price":81.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/brian-crower-valve-guides-6_6mm-mitsubishi-4g63evo-exhaust-quantity-of-8-brian-crower.jpg?v=1767728561","url":"https:\/\/www.blackopsautoworks.com\/products\/brian-crower-valve-guides-6-6mm-mitsubishi-4g63-evo-exhaust-quantity-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}