{"product_id":"manley-ford-289-exhaust-valve-kit-1-600in-head-dia-4-911in-o-a-length-0-3415in-stem","title":"Manley Ford 289 Exhaust Valve Kit - 1.600in Head Dia. 4.911in 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":46757465981102,"sku":"MAN11531-8","price":184.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/0714\/9486\/files\/057dc30f6654346607cf78129284d515L_3ab11c44-6215-42af-b611-7556fda006a8.jpg?v=1754570845","url":"https:\/\/purauto.com\/products\/manley-ford-289-exhaust-valve-kit-1-600in-head-dia-4-911in-o-a-length-0-3415in-stem","provider":"PurAuto","version":"1.0","type":"link"}