{"product_id":"manley-big-block-ford-429-460-1-880in-diameter-5-655in-length-race-master-exhaust-valves-set-of-8","title":"Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8)","description":"\u003cp\u003eStainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":46932061028519,"sku":"MAN11591-8","price":193.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/bffe0570b1574aec2e41d86946ce1fce.jpg?v=1753990016","url":"https:\/\/www.straightsiximports.com\/en-us\/products\/manley-big-block-ford-429-460-1-880in-diameter-5-655in-length-race-master-exhaust-valves-set-of-8","provider":"Straight Six Imports","version":"1.0","type":"link"}