{"product_id":"manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-065in-o-a-length-0-3415in-stem-4","title":"Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O\/A Length, 0.3415in Stem","description":"Stainless 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.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":46757480300718,"sku":"MAN11879-8","price":184.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/0714\/9486\/files\/c6ccd65ebfd1e956c2aff76b8661b6a9L_fea144c0-16fe-41bb-aafc-e1aac3d38ac7.jpg?v=1754570989","url":"https:\/\/purauto.com\/products\/manley-chevrolet-small-block-exhaust-valve-kit-1-625in-head-dia-5-065in-o-a-length-0-3415in-stem-4","provider":"PurAuto","version":"1.0","type":"link"}