{"product_id":"manley-09-chrysler-hemi-5-7l-w-triple-groove-1-555in-race-flo-exhaust-valves-set-of-8","title":"Manley Perf 5.7L Chrysler Hemi Triple Groove Race Exhaust Valves (Set of 8): Fits most Hemi 5.7L","description":"\u003ch3\u003eManley Performance Race Series Exhaust Valves\u003c\/h3\u003e\u003cp\u003e2009 and Newer Chrysler 5.7L HEMI V8\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e11695-8\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Manley Race Series Exhaust Valves are precision-engineered components designed specifically for high-performance Chrysler 5.7L HEMI engines from 2009 onward. Crafted to withstand the intense demands of bracket racing, drag racing, and oval track competition, these valves deliver reliable durability and optimal performance for engines operating up to 8000 RPM.\u003c\/p\u003e\u003cp\u003eIf you are a racer or enthusiast seeking to maximize the efficiency and longevity of your exhaust valve train under extreme conditions, these Manley valves provide the strength and precision needed to maintain valve integrity and improve exhaust flow characteristics.\u003c\/p\u003e\u003cp\u003eBy upgrading to Manley Race Series valves, you’ll benefit from enhanced durability and consistent performance, helping your engine breathe better and maintain power delivery during high-RPM operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManley Race Series Exhaust Valves incorporate advanced design and materials to meet the rigorous requirements of competitive racing environments:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality, race-proven materials for superior strength and heat resistance.\u003c\/li\u003e\n\u003cli\u003e1.555-inch valve head diameter optimized for improved exhaust flow and combustion efficiency.\u003c\/li\u003e\n\u003cli\u003eTriple groove design on the valve stem ensures secure and reliable valve spring retention under high RPM stress.\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for Chrysler 5.7L HEMI engines from 2009 and later, ensuring precise fitment and compatibility.\u003c\/li\u003e\n\u003cli\u003eDesigned to perform reliably at engine speeds up to 8000 RPM, ideal for bracket, drag, and oval track racing applications.\u003c\/li\u003e\n\u003cli\u003eManufactured with tight tolerances to maintain valve seat sealing and reduce wear over extended use.\u003c\/li\u003e\n\u003cli\u003eEnhances exhaust gas evacuation, contributing to improved engine breathing and potential power gains.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eManley Race Series valves are crafted using premium materials selected for their ability to withstand high temperatures and mechanical stress typical in racing environments. The triple groove stem design provides enhanced valve spring retention, reducing the risk of valve float or failure at elevated RPMs.\u003c\/p\u003e\u003cp\u003eThe 1.555-inch valve head size is optimized to balance flow capacity with durability, allowing your engine to efficiently expel exhaust gases while maintaining valve strength. Each valve undergoes precise machining and quality control to ensure consistent performance and long service life.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese exhaust valves are direct replacements designed for 2009 and newer Chrysler 5.7L HEMI engines. They fit into the factory cylinder heads without modification, making installation straightforward for experienced engine builders and racers.\u003c\/p\u003e\u003cp\u003eNo special machining or alterations are required beyond standard engine assembly procedures. Proper valve installation and seating are recommended to ensure optimal performance and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eSet of 8 Manley Race Series Exhaust Valves with triple groove stems\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBracket racers seeking durable valve train components for high-RPM operation\u003c\/li\u003e\n\u003cli\u003eDrag racers requiring reliable exhaust valves for consistent performance\u003c\/li\u003e\n\u003cli\u003eOval track competitors demanding robust valve construction under sustained stress\u003c\/li\u003e\n\u003cli\u003eEngine builders upgrading Chrysler 5.7L HEMI engines for performance and durability\u003c\/li\u003e\n\u003cli\u003eEnthusiasts focused on maximizing exhaust flow and valve train reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":46206624825556,"sku":"11695-8","price":198.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0011109_1166_8abcc06748efc38771788b16aecbc122_9a750c54-6ac5-49f4-80d5-a3fe87ea38f5.webp?v=1771902840","url":"https:\/\/fasthemis.com\/products\/manley-09-chrysler-hemi-5-7l-w-triple-groove-1-555in-race-flo-exhaust-valves-set-of-8","provider":"FastHemis","version":"1.0","type":"link"}