{"product_id":"manley-vw-type-iv-single-groove-38mm-race-master-exhaust-valves-set-of-4","title":"Manley VW Type IV Single Groove 38mm Race Master Exhaust Valves (Set of 4)","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":50813265805600,"sku":"MAN11659-4","price":89.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0792\/3892\/2528\/files\/e8d1f152c334d87a7ca6e634d2694cb8_bbd9a253-8320-419c-b257-845ac09a4f92.jpg?v=1760847840","url":"https:\/\/boostedautowerks.com\/products\/manley-vw-type-iv-single-groove-38mm-race-master-exhaust-valves-set-of-4","provider":"Boosted Autowerks LLC","version":"1.0","type":"link"}