{"product_id":"manley-chevy-l83-5-3l-1-560in-head-diameter-pro-flo-extreme-duty-exhaust-valves-set-of-8","title":"Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo\/Extreme Duty Exhaust Valves (Set of 8)","description":"Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51501077463339,"sku":"MAN12363-8","price":514.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/3645\/4465\/files\/8abcc06748efc38771788b16aecbc122_36ec1510-400b-43d7-ac8a-c32a401f08f2.jpg?v=1763051560","url":"https:\/\/www.burton-racing.com\/products\/manley-chevy-l83-5-3l-1-560in-head-diameter-pro-flo-extreme-duty-exhaust-valves-set-of-8","provider":"Burton-Racing","version":"1.0","type":"link"}