{"product_id":"gsc-fa20-wrx-valves-exhaust","title":"GSC FA20 WRX Exhaust Valves","description":"GSC Power-Division exhaust valves for the FA20 2015-2021 WRX models. Exhaust valves are sold as a set of 8 or individually as needed. Available in the standard 29mm size or +1mm. Valve stem diameter is 5.5mm, overall length is 97.90mm.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eVehicle Fitment:\u003c\/span\u003e\u003cbr\u003eSubaru FA20F\u003cbr\u003e2015-2021 Subaru WRX\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff2a00;\"\u003eGSC Exhaust Valves:\u003c\/span\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003ePart Number:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eHead Diameter Size:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eMaterial:\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eQuantity:\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eGSC 2281-8\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSTD Size (29mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e23-8N Stainless\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSet of 8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eGSC 2281-01\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSTD Size (29mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e23-8N Stainless\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSingle Valve\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"404040\"\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eGSC 2283-8\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e+1mm (30mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e23-8N Stainless\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSet of 8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"2d2d2d\"\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eGSC 2283-01\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e+1mm (30mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003e23-8N Stainless\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #ffffff;\"\u003eSingle Valve\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003eMore Info:\u003c\/span\u003e\u003cbr\u003eUsing advanced 3D design and simulation software, GSC has created a stronger and higher flowing valve head design. GSC flow tests prototype valve heads in the specific applications to ensure the highest flowing valve head available on the market today. With the materials used, GSC offers less valve distortion at the face than any of the tested designs. Less distortion allows for better sealing under extreme conditions and more consistent performance throughout the life of the valve.\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eSwirl polished heads for smoother air flow over the valve\u003c\/li\u003e\n\u003cli\u003eBack cut to reduce valve weight for higher RPM, higher boost pressure, and allow for more aggressive cam profiles without increasing valve spring seat pressures\u003c\/li\u003e\n\u003cli\u003eValve stems are micro polished to allow for less oil retention on the stem, which creates less drag on the stem to guide for a smoother motion\u003c\/li\u003e\n\u003cli\u003eIntake valves are a modified 21-4n stainless and exhausts are a modified 23-8n stainless material for high heat capacity while maintaining longevity\u003c\/li\u003e\n\u003cli\u003eValve tips are either hardened or have a stelite wafer tip fused so that the tip is within 5 Rockwell C of the rocker or valve tappet for extended life and less wear\u003c\/li\u003e\n\u003cli\u003eValve tip lengths - GSC has taken extra time to adjust tip heights on the applications to require less tipping of the valve, to maintain proper tip height for proper valve train geometry, and to cut down on install times when setting valve lash\u003c\/li\u003e\n\u003cli\u003eAdjusted the keeper groove to properly balance intake and exhaust spring pressures to reduce the use of valve spring shims and maximize performance from our spring and retainer kits\u003c\/li\u003e\n\u003cli\u003eValves will work with an OEM keeper\/lock or GSC upgraded keeper\/lock. It is not mandatory, but it is suggested, that any valve lock not be reused on performance applications due to material grooving\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cspan style=\"color: #ff2a00;\"\u003ePictured:\u003c\/span\u003e\u003cbr\u003ePhotos are for reference.\u003cbr\u003e\u003ca style=\"color: #afafaf;\" href=\"https:\/\/stmtuned.com\/collections\/gsc-power-division-products\"\u003e\u003cbr\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cspan style=\"font-size: .8em;\"\u003e\nSee more GSC Products\u003c\/span\u003e\u003c\/div\u003e\u003c\/a\u003e","brand":"GSC","offers":[{"title":"STD 29mm Set of 8 (GSC2281-8)","offer_id":50562772730198,"sku":"GSC-2281-8","price":169.43,"currency_code":"EUR","in_stock":true},{"title":"STD 29mm Single Valve (GSC2281-01)","offer_id":50562772762966,"sku":"GSC-2281-01","price":24.53,"currency_code":"EUR","in_stock":true},{"title":"'+1 30mm Set of 8 (GSC2283-8)","offer_id":50562772795734,"sku":"GSC-2283-8","price":170.9,"currency_code":"EUR","in_stock":true},{"title":"'+1 30mm Single Valve (GSC2283-01)","offer_id":50562772828502,"sku":"GSC-2283-01","price":24.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/9531\/8102\/files\/gsc-fa20-wrx-valves-exhaust-8.jpg?v=1749204627","url":"https:\/\/www.speed-addicts.com\/en\/products\/gsc-fa20-wrx-valves-exhaust","provider":"Speed Addicts","version":"1.0","type":"link"}