{"product_id":"manley-chevrolet-409-exhaust-valve-kit-1735in-head-dia-5105in-oa-length-03715in-stem-879770-t14","title":"Manley Chevrolet 409 Exhaust Valve Kit - 1.735in Head Dia. 5.105in O\/A Length, 0.3715in Stem","description":"\u003ch3\u003e\u003cstrong\u003eManufacturer Part # : 11311-8\u003c\/strong\u003e\u003c\/h3\u003e\u003cbr\u003e\u003ch2\u003eMarket Description\u003c\/h2\u003e\n\u003cp\u003eManley?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\u003c\/p\u003e\n\n\u003ch2\u003eFeatures and Benefits\u003c\/h2\u003e\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\n\u003ch2\u003eProduct Description - Short\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eManley Chevrolet 409 Exhaust Valve Kit - 1.735in Head Dia. 5.105in O\/A Length, 0.3715in Stem\u003c\/li\u003e\n  \u003cli\u003eValve - Exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLabel Description\u003c\/h2\u003e\n\u003cp\u003eRace  Chevy 409 Ex. Vlv Kit - 1.735 in. Dia.,5.105 in. O\/A ,.3715 in. Stem\u003c\/p\u003e\n\n\u003ch2\u003eAssociated Comments\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Exhaust, Valve-409 R\/M 1.735.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Long\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Exhaust, Valve-409 R\/M 1.735\u003c\/p\u003e\n\n\u003ch2\u003eAAIA Part Type Description\u003c\/h2\u003e\n\u003cp\u003eEngine Exhaust Valve\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Invoice\u003c\/h2\u003e\n\u003cp\u003eValve-409 R\/M 1.735\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47190614278282,"sku":"T14.879770","price":188.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/cfad909d3e7e99d0e89015bc460901b4L_9f564586-91ff-405a-94d0-336400578ca9.jpg?v=1760725066","url":"https:\/\/www.sbxperformance.com\/products\/manley-chevrolet-409-exhaust-valve-kit-1735in-head-dia-5105in-oa-length-03715in-stem-879770-t14","provider":"SBX Performance","version":"1.0","type":"link"}