{"product_id":"gsc-honda-k20c1-ctr-std-exhaust-valve-guide-set-of-8","title":"GSC Honda K20C1 CTR (STD) Exhaust Valve Guide - Set of 8","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e3121-8\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eGSC Honda K20C1 CTR (STD) Exhaust Valve Guide - Set of 8\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGSC Power-Division exhaust valve guides (part GSC3121-8) deliver exact fitment for Honda K20C1 engines in 2017+ Civic Type R models. This standard size set of 8 supports high-performance valvetrain upgrades with reliable sealing and heat management. Precision dimensions prevent valve wobble for consistent power delivery.\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 Provides wear resistance and thermal conductivity for extended life in turbocharged K20C1 applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Sizing (Set of 8):\u003c\/strong\u003e Total length 1.970in\/50.04mm, outer diameter 0.4357in\/11.07mm, valve stem clearance for 5.5mm stems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversize Options Available:\u003c\/strong\u003e +0.001in and +0.003in guides sold individually for worn cylinder heads (GSC3121-1, GSC3121-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect K20C1 Fitment:\u003c\/strong\u003e Engineered specifically for Civic Type R exhaust valves to maintain factory tolerances under boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Durability:\u003c\/strong\u003e Handles high RPM and heat cycles better than stock guides for track or street use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eStandard guides sold as complete set of 8. oversizes sold individually\u003c\/li\u003e\n\u003cli\u003eInspect cylinder head valve seats before installation for compatibility\u003c\/li\u003e\n\u003cli\u003eSpecial order item. allow 3-5 business days for processing\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\u003eValve guide driver tool required for press-fit installation into aluminum head\u003c\/li\u003e\n\u003cli\u003eCompatible with stock or aftermarket exhaust valves. measure stem clearance post-install\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\u003e2017-2021\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic Type R\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2024\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic Type R\u003c\/td\u003e\n\u003ctd\u003e\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\u003eTrusted by Honda tuners for valvetrain components since 2005\u003c\/li\u003e\n\u003cli\u003eManufactured in USA with tight tolerances for racing reliability\u003c\/li\u003e\n\u003cli\u003eBacked by real-world testing in high-boost K-series engines\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 these fit the 2023 Honda Civic Type R K20C1?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, these standard guides match the K20C1 specs in both FK8 (2017-2021) and FL5 (2023+) Civic Type R models\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the valve guides made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Manganese bronze alloy for optimal strength, heat dissipation, and low friction with 5.5mm valve stems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on GSC valve guides?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e One-year unlimited mileage warranty against manufacturing defects when installed by certified shop\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 6x4x2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.8 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":41159963476047,"sku":"GSC3121-8","price":49.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/Screenshot2024-05-23at1.33.15PM.png?v=1716485622","url":"https:\/\/www.blackopsautoworks.com\/products\/gsc-honda-k20c1-ctr-std-exhaust-valve-guide-set-of-8","provider":"Black Ops Auto Works","version":"1.0","type":"link"}