{"product_id":"manley-volkswagen-1-7l-type-iv-exhaust-valve-kit-40-00mm-head-dia-4-606in-o-a-length-0-3130in","title":"Manley Volkswagen 1.7L Type IV Exhaust Valve Kit - 40.00mm Head Dia. 4.606in O\/A Length, 0.3130in","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":53205284487452,"sku":"MAN11663-4","price":89.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7614\/9689\/files\/60f9820637337401e883e33859105488L_6f6a0658-8097-485e-9d87-bb28362f5ba9.jpg?v=1761051575","url":"https:\/\/www.demonicperformance.com\/products\/manley-volkswagen-1-7l-type-iv-exhaust-valve-kit-40-00mm-head-dia-4-606in-o-a-length-0-3130in","provider":"Demonic Performance ","version":"1.0","type":"link"}