{"product_id":"manley-ford-429-boss-intake-valve-kit-2-280in-head-dia-5-625in-o-a-length-0-3715in-stem","title":"Manley Ford 429 Boss Intake Valve Kit - 2.280in Head Dia. 5.625in O\/A Length, 0.3715in 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":54562687418536,"sku":"MAN11786-8","price":188.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/ChatGPTImageOct28_2025_01_07_55PM_6bb96e7f-5677-41c3-8836-3c4c5853ac68.png?v=1764895296","url":"https:\/\/eliteracefab.com\/products\/manley-ford-429-boss-intake-valve-kit-2-280in-head-dia-5-625in-o-a-length-0-3715in-stem","provider":"eliteracefab.com","version":"1.0","type":"link"}