{"product_id":"manley-ford-modular-coyote-5-0l-gen-iii-race-master-series-exhaust-valve-set-1-260in-dia","title":"Manley Ford Modular Coyote 5.0L Gen III Race Master Series Exhaust Valve Set - 1.260in Dia","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e12629-8\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 807298121093\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eManley Race Master Series Exhaust Valve Set 1.260\" 2011+ Ford Mustang Coyote 5.0L Gen III (8pcs)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Manley 12629-8 Race Master Series Exhaust Valve Set delivers high exhaust flow and strength for 2011+ Ford Mustang Coyote 5.0L Gen III engines in GT Boss 302 Shelby GT350 GT500 and F-150 models. Machined from premium stainless steel with 1.260in head diameter these valves handle high RPM up to 8000+ in naturally aspirated supercharged or turbo setups. Swirl polished stems and hardened tips ensure reliability in race conditions.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.260\" Head Diameter:\u003c\/strong\u003e Matches Coyote 5.0L Gen III ports for increased exhaust flow and horsepower gains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Stainless Steel:\u003c\/strong\u003e Resists high exhaust temperatures and maintains shape under extreme stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwirl-Polished Stems:\u003c\/strong\u003e Minimizes friction and guides flow smoothly for better efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Machined Combustion Face:\u003c\/strong\u003e Seals tightly and promotes even heat dissipation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardened Tip Ends:\u003c\/strong\u003e Withstands aggressive valve train wear from high lift cams\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as complete set of 8 for one cylinder head upgrade\u003c\/li\u003e\n\u003cli\u003ePair with matching Manley intake valves springs and retainers\u003c\/li\u003e\n\u003cli\u003eMade in United States with limited manufacturer warranty\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 cylinder head removal valve job and seating\u003c\/li\u003e\n\u003cli\u003eUse with upgraded valve springs retainers and full valvetrain check\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\u003e2011-2014\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT 5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2013\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eBoss 302 5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2017\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT 5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2023\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eGT 5.0L Coyote Gen 3 V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016-2020\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eShelby GT350 5.2L Voodoo (Coyote based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eShelby GT500 5.2L Predator (Coyote based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2011+\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eF-150\u003c\/td\u003e\n\u003ctd\u003e5.0L Coyote V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Manley?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven in motorsport with decades of engine building experience\u003c\/li\u003e\n\u003cli\u003ePrecision CNC machining for exact fit and performance\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for Ford Coyote engines in race 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 Does this fit 2018-2023 Mustang GT 5.0L Coyote Gen 3?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes 12629-8 fits all 2011+ Coyote 5.0L Gen 1-3 in Mustang GT Boss 302 Shelby and F-150.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are these exhaust valves?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Premium stainless steel with swirl polished stems hardened tips and machined faces for heat and wear resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is valve job or new springs needed?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes requires professional head work upgraded springs retainers and break-in procedure for high RPM use.\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\/FedEx Ground\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 Secure retail box 10x6x2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44473928286287,"sku":"MAN12629-8","price":202.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/manley-ford-modular-coyote-5_0l-gen-iii-race-master-series-exhaust-valve-set-1_260in-dia-manley-performance.jpg?v=1772549114","url":"https:\/\/www.blackopsautoworks.com\/products\/manley-ford-modular-coyote-5-0l-gen-iii-race-master-series-exhaust-valve-set-1-260in-dia","provider":"Black Ops Auto Works","version":"1.0","type":"link"}