{"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":"Manley 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\u003eDesigned for high-performance racing applications, the Manley Performance Race Master Series Exhaust Valve Set for Ford Modular Coyote 5.0L engines offers exceptional durability and optimized airflow. These valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racing, making them the ideal choice for engines operating under 8,000 RPM. Crafted from high-quality stainless steel, they provide unrivaled strength and resistance to wear, ensuring reliable performance under demanding conditions. The set includes eight valves with a head diameter of 1.260 inches and a stem diameter of 0.2345 inches, tailored specifically for high-performance engine builds. The fully machined combustion faces and swirl-polished under-head areas enhance airflow and combustion efficiency, contributing to improved horsepower and torque. Chrome stems and hard tips further extend the lifespan of these valves, providing added resistance to wear and thermal stress. These valves are recommended for alcohol-fueled engines, particularly for exhaust applications, ensuring consistent performance in challenging environments. Available in various shapes, including Race Master (straight stem) and Race Flo configurations, they can be customized to suit specific engine setups. Whether you're building a race-ready engine or upgrading your existing setup, the Manley Performance Race Master Series valves deliver quality, performance, and durability necessary for competitive racing.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDesigned for engines operating under 8,000 RPM for optimal performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eConstructed from high-quality stainless steel for durability and wear resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFully machined combustion faces and swirl-polished under-head areas improve airflow and combustion efficiency\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChrome stems and hard tips enhance longevity and thermal resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRecommended for alcohol engines, particularly for exhaust applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable in Race Master (straight stem) and Race Flo shapes to suit specific engine requirements\u003c\/li\u003e\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":53855372968252,"sku":"man12629-8","price":261.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/98c09e5a38d8e2483f84fb5d268c1442L_20869006-eb43-46fb-9640-fb6ce97e3024.jpg?v=1784852469","url":"https:\/\/necycleshop.com\/products\/manley-ford-modular-coyote-5-0l-gen-iii-race-master-series-exhaust-valve-set-1-260in-dia","provider":"NE Cycle Shop","version":"1.0","type":"link"}