{"product_id":"manley-ford-289-302-351w-1-550-race-flo-exhaust-valves","title":"Manley Ford 289\/302\/351W 1.550 Race Flo Exhaust Valves","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":44869118230812,"sku":"MAN11575-8","price":179.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0557\/7614\/9689\/files\/bfdf597d4e0d95f2d3b32b894b2c84f1_eb4bce4a-080b-45a3-99f2-73ca6acdb76d.jpg?v=1707198333","url":"https:\/\/www.demonicperformance.com\/products\/manley-ford-289-302-351w-1-550-race-flo-exhaust-valves","provider":"Demonic Performance ","version":"1.0","type":"link"}