{"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":"\u003cp\u003eManley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.\u003c\/li\u003e\n\u003cli\u003eSwirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.\u003c\/li\u003e\n\u003cli\u003eStainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.\u003c\/li\u003e\n\u003cli\u003eVariety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.\u003c\/li\u003e\n\u003cli\u003eChrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":51123311673663,"sku":"MAN11578-8","price":188.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2041\/6831\/files\/60a800d0c1f947d0f60d7b7f5af0f3caL_ef4b71dd-9296-4074-b74d-488948fad49a.jpg?v=1753603365","url":"https:\/\/smgspeed.com\/products\/manley-ford-289intake-valve-kit-1-850in-head-dia-5-075in-o-a-length-0-3420in-stem","provider":"SMGspeed","version":"1.0","type":"link"}