{"product_id":"manley-ford-289intake-valve-kit-1-850in-head-dia-5-075in-o-a-length-0-3420in-stem","title":"Manley Ford 289intake Valve Kit - 1.850in Head Dia. 5.075in O\/A Length, 0.3420in Stem","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":54223987671208,"sku":"MAN11578-8","price":188.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/60a800d0c1f947d0f60d7b7f5af0f3caL_053e36f6-f450-400d-ba49-92a946a8b689.jpg?v=1761095491","url":"https:\/\/eliteracefab.com\/products\/manley-ford-289intake-valve-kit-1-850in-head-dia-5-075in-o-a-length-0-3420in-stem","provider":"eliteracefab.com","version":"1.0","type":"link"}