{"product_id":"gsc-p-d-porsche-gt3-cup-996-997-intake-exhaust-valve-guide-standard-style-001in-od-single","title":"GSC P-D Porsche GT3 Cup 996\/997 Intake\/Exhaust Valve Guide Standard Style +.001in OD - Single","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3997.001-1\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e GSC3997.001-1\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC P-D Porsche GT3 Cup 996\/997 Intake\/Exhaust Valve Guide Standard Style +.001in OD - Single\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEngineered for Porsche 911 GT3 Cup race cars with 996 and 997 chassis this GSC Power-Division valve guide delivers exact valve stem alignment. The +.001in outer diameter suits heads needing slight oversize fit while maintaining stock internal clearances. Race teams rely on it for sustained high RPM operation and reduced wear in 3.6L Mezger engines.\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 Resists galling and wear under extreme heat and oil starvation conditions common in GT3 Cup racing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e+.001in Outer Diameter:\u003c\/strong\u003e Provides press-fit security in worn or machined heads without altering bore size excessively\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Internal Style:\u003c\/strong\u003e Matches OEM valve stem tolerances for direct compatibility with stock or performance valves up to 11mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC Machined:\u003c\/strong\u003e Ensures consistent guide length of 1.250in and groove placement for optimal seal and heat transfer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake\/Exhaust Universal:\u003c\/strong\u003e Identical design works for both sides simplifying inventory for full engine rebuilds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as single unit ideal for replacing one damaged guide\u003c\/li\u003e\n\u003cli\u003eInspect cylinder head bore diameter prior to install typically 0.437in nominal\u003c\/li\u003e\n\u003cli\u003eArrives ready to press in protective sleeve packaging\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\u003eUse GSC or Porsche-specific valve guide driver tool for straight press fit\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM head castings and aftermarket valves from Ferrea or Supertech\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\u003e1999-2005\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e911\u003c\/td\u003e\n\u003ctd\u003eGT3 Cup (996)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2011\u003c\/td\u003e\n\u003ctd\u003ePorsche\u003c\/td\u003e\n\u003ctd\u003e911\u003c\/td\u003e\n\u003ctd\u003eGT3 Cup (997)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose GSC Power-Division?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBacked by wins in Porsche Cup series and endurance racing worldwide\u003c\/li\u003e\n\u003cli\u003eManufactured to aerospace tolerances in USA facilities\u003c\/li\u003e\n\u003cli\u003eFocus on valvetrain durability for 9000+ RPM applications\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 fit Porsche 996 GT3 Cup intake and exhaust heads?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it fits both intake and exhaust positions on 1999-2005 996 GT3 Cup 3.6L engines with standard guide bores\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the guide material and length?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze alloy with 1.250in installed length and 0.437in nominal ID for 11\/32in valve stems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does GSC provide warranty on this valve guide?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against manufacturing defects when installed by certified engine builder\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 foam sleeve in 4x4x1in box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":43845530484815,"sku":"GSC3997.001-1","price":6.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/gsc-p-d-porsche-gt3-cup-996997-intakeexhaust-valve-guide-standard-style-_001in-od-single-gsc-power-division.png?v=1768345600","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-p-d-porsche-gt3-cup-996-997-intake-exhaust-valve-guide-standard-style-001in-od-single","provider":"Black Ops Auto Works","version":"1.0","type":"link"}