{"product_id":"manley-ls-7-small-block-chevy-1-615-head-dia-3136-stem-dia-race-master-exhaust-valves-set-of-8","title":"Manley LS-7 Small Block Chevy 1.615 Head DIA \/ .3136 Stem DIA Race Master Exhaust Valves (Set of 8)","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":51501059604779,"sku":"MAN11689-8","price":202.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/3645\/4465\/files\/8abcc06748efc38771788b16aecbc122_5774b489-5744-476c-998c-6503a1812e64.jpg?v=1763051432","url":"https:\/\/www.burton-racing.com\/products\/manley-ls-7-small-block-chevy-1-615-head-dia-3136-stem-dia-race-master-exhaust-valves-set-of-8","provider":"Burton-Racing","version":"1.0","type":"link"}