{"product_id":"manley-chevrolet-small-block-exhaust-valve-kit-1600in-head-dia-4950in-oa-length-03136in-stem-879269-t14","title":"Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O\/A Length, 0.3136in Stem","description":"\u003ch3\u003e\u003cstrong\u003eManufacturer Part # : 12301-8\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 Small Block Exhaust Valve Kit - 1.600in Head Dia. 4.950in O\/A Length, 0.3136in 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  SBC Ex. Vlv Kit - 1.600 in. Head Dia., 4.950 in. O\/A , 0.3136 in. Stem\u003c\/p\u003e\n\n\u003ch2\u003eAssociated Comments\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Exhaust, Valve-R\/M 1.600, .3136 STEM .\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Long\u003c\/h2\u003e\n\u003cp\u003eManley Valve - Exhaust, Valve-R\/M 1.600, .3136 STEM\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description - Invoice\u003c\/h2\u003e\n\u003cp\u003eValve-R\/M 1.600, .3136 STEM\u003c\/p\u003e\n\n\u003ch2\u003eAAIA Part Type Description\u003c\/h2\u003e\n\u003cp\u003eEngine Exhaust Valve\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47190597075082,"sku":"T14.879269","price":202.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4599\/4122\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_5906819d-591a-44e4-ac3b-c0f4a447cee2.jpg?v=1760724218","url":"https:\/\/www.sbxperformance.com\/products\/manley-chevrolet-small-block-exhaust-valve-kit-1600in-head-dia-4950in-oa-length-03136in-stem-879269-t14","provider":"SBX Performance","version":"1.0","type":"link"}