{"product_id":"manley-volkswagen-1-7l-40mm-dia-4-606in-length-race-series-exhaust-valve-kit","title":"Manley Volkswagen 1.7L 40mm Dia 4.606in Length Race Series Exhaust Valve Kit","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":44168749023372,"sku":"MAN11663B-4","price":94.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/8208\/3980\/files\/60f9820637337401e883e33859105488L_d57651cf-47af-4644-95b3-d7e76b9ff015.jpg?v=1753461538","url":"https:\/\/fiperformance.com\/products\/manley-volkswagen-1-7l-40mm-dia-4-606in-length-race-series-exhaust-valve-kit","provider":"FI Performance","version":"1.0","type":"link"}