{"product_id":"manley-performance-ford-modular-coyote-5-0l-gen-iii-race-master-series-exhaust-valve-set-1-260-inch-diameter","title":"Manley Performance Ford Modular Coyote 5.0L Gen III Race Master Series Exhaust Valve Set - 1.260 inch Diameter","description":"Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM.\nHead Diameter: 1.260 in. - Stem Diameter: 0.2345 in. - O\/A : 4.330 in. Backcut: 0.100\" x 30? - Set of 8\nManley Valve - Exhaust Valve - Ti - Briggs \u0026amp; Stratton Custom - .2740 Stem\n\u003cul\u003e\n  \u003cli\u003eRecommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.\u003c\/li\u003e\n  \u003cli\u003eSwirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.\u003c\/li\u003e\n  \u003cli\u003eStainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.\u003c\/li\u003e\n  \u003cli\u003eVariety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.\u003c\/li\u003e\n  \u003cli\u003eChrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Manley Performance Ford Modular Coyote 5.0L Gen III Race Master Series Exhaust Valve Set offers high-performance durability designed for racing enthusiasts and professional engine builders. Crafted with meticulous attention to detail, these valves are engineered to withstand the extreme conditions of bracket, drag, and oval track racing, making them ideal for engines operating under 8,000 RPM. Featuring a head diameter of 1.260 inches and a stem diameter of 0.2345 inches, these valves ensure precise airflow and efficient combustion. Fully machined with swirl-polished under-head areas and combustion faces, they optimize airflow dynamics to enhance engine power and responsiveness. The set includes eight valves, with options for straight stem (Race Master) and specific shapes to match your engine's requirements.\u003c\/p\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbdoy\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbdoy\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53602434679057,"sku":"12629-8","price":214.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/98c09e5a38d8e2483f84fb5d268c1442L_18e70677-1233-4b1c-ad8d-2e93091072f2.jpg?v=1779941881","url":"https:\/\/shoprenegade.com\/products\/manley-performance-ford-modular-coyote-5-0l-gen-iii-race-master-series-exhaust-valve-set-1-260-inch-diameter","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}