{"product_id":"manley-performance-man12631-8-race-master-series-exhaust-valve-set","title":"Manley Performance MAN12631-8 Race Master Series Exhaust Valve Set","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: 1.280 in. - Stem Diameter: 0.2345 in. - O\/A : 4.340 in. Backcut: 0.100\" x 30? - Set of 8\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\u003e\u003cstrong\u003eBrief Description:\u003c\/strong\u003e Manley Performance Race Master Series exhaust valves are engineered for bracket, drag, and oval track racing applications in engines operating under 8,000 RPM. This set includes eight stainless steel valves with a 1.280-inch head diameter, 0.2345-inch stem diameter, and 4.340-inch overall length.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features \u0026amp; Performance Benefits:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended for alcohol engines as exhaust valves in demanding racing conditions.\u003c\/li\u003e\n\u003cli\u003eSwirl-polished under-head areas support airflow performance.\u003c\/li\u003e\n\u003cli\u003eFully machined combustion faces promote efficient combustion.\u003c\/li\u003e\n\u003cli\u003eChrome stems and hard tips enhance wear resistance and service durability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Manley Performance\u003c\/li\u003e\n\u003cli\u003eSeries: Race Master\u003c\/li\u003e\n\u003cli\u003ePart Number: MAN12631-8\u003c\/li\u003e\n\u003cli\u003eApplication: Exhaust valve set\u003c\/li\u003e\n\u003cli\u003eValve quantity: 8\u003c\/li\u003e\n\u003cli\u003eHead diameter: 1.280 inches\u003c\/li\u003e\n\u003cli\u003eStem diameter: 0.2345 inches\u003c\/li\u003e\n\u003cli\u003eOverall length: 4.340 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One set of eight Manley Race Master Series exhaust valves.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Listed as a Ford GT350 Voodoo 5.2L Race Master Series exhaust valve set.\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\u003ctbody\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: Unknown\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\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":68067111043324,"sku":"12631-8","price":286.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/98c09e5a38d8e2483f84fb5d268c1442L_5346b4db-070e-44b7-b977-c11214fd2b81.jpg?v=1793725235","url":"https:\/\/diycustoms.store\/products\/manley-performance-man12631-8-race-master-series-exhaust-valve-set","provider":"diycustoms.store","version":"1.0","type":"link"}