{"product_id":"manley-11874-8","title":"Manley 11874-8 - Ford 429-460 \/ Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)","description":"\u003cp\u003eManley 11874-8 - Ford 429-460 \/ Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)\u003c\/p\u003e\u003cp\u003eIntake Valve - Race Master - 2.250 in Head - 0.342 in Valve Stem - 5.244 in Long - Stainless - Big Block Chevy \/ Ford \/ Cleveland - Set of 8\u003c\/p\u003e\u003cp\u003eManley Valve - Intake, Valve-R\/M 2.250\u003c\/p\u003e\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\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\u003eChrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.\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\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\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\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Market\u003c\/strong\u003e: \u003cspan\u003eDomestic\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHead Diameter\u003c\/strong\u003e: \u003cspan\u003e2.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Head Diameter\u003c\/strong\u003e: \u003cspan\u003e2.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eStem Diameter\u003c\/strong\u003e: \u003cspan\u003e0.3415\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Stem Diameter\u003c\/strong\u003e: \u003cspan\u003e0.3415\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eO\/A Length\u003c\/strong\u003e: \u003cspan\u003e5.244\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Length\u003c\/strong\u003e: \u003cspan\u003e5.244\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Tip Length\u003c\/strong\u003e: \u003cspan\u003e0.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTip Length\u003c\/strong\u003e: \u003cspan\u003e0.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMargin Width\u003c\/strong\u003e: \u003cspan\u003e0.050\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSeat Width\u003c\/strong\u003e: \u003cspan\u003e0.080\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTop of Head\u003c\/strong\u003e: \u003cspan\u003e5 Degree Dish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Head Shape\u003c\/strong\u003e: \u003cspan\u003e5 Degree Dish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUnderhead Angle\u003c\/strong\u003e: \u003cspan\u003e10.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUnderhead Radius\u003c\/strong\u003e: \u003cspan\u003e3\/8\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Series\u003c\/strong\u003e: \u003cspan\u003eRace Series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Sub-Series\u003c\/strong\u003e: \u003cspan\u003eRace 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