{"product_id":"manley-performance-viper-race-series-exhaust-valves-for-dodge-viper-v-10-part-number-11643-10","title":"Manley Performance Viper Race Series Exhaust Valves for Dodge Viper V-10, Part Number 11643-10","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\nManley Valve - Exhaust, Valve-VIPER R\/M 1.600.\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 Race Series Exhaust Valves (Part Number 11643-10) are engineered specifically for high-performance Dodge Viper V-10 engines, making them an essential upgrade for bracket, drag, and oval track racers operating under 8,000 RPM. Crafted from premium stainless steel, these valves offer exceptional durability and resistance to wear, ensuring reliable performance during demanding racing conditions. Their fully machined combustion faces and swirl polished under-head areas optimize airflow and combustion efficiency, contributing to improved power output and engine responsiveness. Designed with race-specific shapes such as the Race Master (straight stem) and Race Flo, these valves can be tailored to your engine's precise requirements for maximum performance. Chrome stems and hard tips are incorporated to extend service life, reduce maintenance needs, and enhance overall longevity in high-stress environments. Suitable for alcohol engines, these exhaust valves are the ideal choice for racers seeking a combination of durability, performance, and precision. Whether you're upgrading an existing engine or building a new high-performance race setup, the Manley Viper Race Series exhaust valves provide the quality and reliability needed to keep your engine competitive and running at peak efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eRecommended for alcohol engines, ensuring reliable performance under demanding conditions\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSwirl polished under-head areas and fully machined combustion faces optimize airflow and combustion efficiency\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\u003eAvailable in Race Master (straight stem) and Race Flo shapes to suit specific engine requirements\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eChrome stems and hard tips for extended longevity and enhanced wear resistance\u003c\/li\u003e\u003c\/ul\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\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\u003eCarb Acknowledgement Required: false\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":53605609865489,"sku":"11643-10","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/3830\/0689\/files\/99d68ea25994c25a9525497ec32ee847.jpg?v=1779995460","url":"https:\/\/shoprenegade.com\/products\/manley-performance-viper-race-series-exhaust-valves-for-dodge-viper-v-10-part-number-11643-10","provider":"Renegade Speed by Renegade Racing \u0026 Performance","version":"1.0","type":"link"}