{"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":40619909251115,"sku":"MAN11659-4","price":89.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/8021\/7643\/products\/7047030f039f87d594ec92562fd81785_916b33c9-1588-496e-813e-3cd4c4fd93f3.jpg?v=1671233548","url":"https:\/\/marzocchiracing.com\/products\/manley-vw-type-iv-single-groove-38mm-race-master-exhaust-valves-set-of-4","provider":"Marzocchi Racing","version":"1.0","type":"link"}