{"product_id":"manley-big-block-chevrolet-int-2-190-head-dia-5-218-o-a-length-3715-stem-race-flo-valve-single","title":"Manley Big Block Chevrolet Int. 2.190 Head Dia. 5.218 O\/A Length .3715 Stem Race Flo Valve (Single) - 11528-1","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\n\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\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\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\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManley Valve\u003c\/li\u003e\n\u003cli\u003eIntake, Valve-BBC R\/F 2.190\u003c\/li\u003e\n\u003cli\u003eProduct Market: Domestic\u003c\/li\u003e\n\u003cli\u003eHead Diameter: 2.190\u003c\/li\u003e\n\u003cli\u003eValve Head Diameter: 2.190\u003c\/li\u003e\n\u003cli\u003eStem Diameter: 0.3715\u003c\/li\u003e\n\u003cli\u003eValve Stem Diameter: 0.3715\u003c\/li\u003e\n\u003cli\u003eO\/A Length: 5.218\u003c\/li\u003e\n\u003cli\u003eValve Length: 5.218\u003c\/li\u003e\n\u003cli\u003eValve Tip Length: 0.220\u003c\/li\u003e\n\u003cli\u003eTip Length: 0.220\u003c\/li\u003e\n\u003cli\u003eMargin Width: 0.050\u003c\/li\u003e\n\u003cli\u003eSeat Width: 0.080\u003c\/li\u003e\n\u003cli\u003eTop of Head: 5 Degree Dish\u003c\/li\u003e\n\u003cli\u003eValve Head Shape: 5 Degree Dish\u003c\/li\u003e\n\u003cli\u003eUnderhead Angle: Pro Flo: 10.00\u003c\/li\u003e\n\u003cli\u003eUnderhead Radius: 3\/8\u003c\/li\u003e\n\u003cli\u003eValve Series: Race Series\u003c\/li\u003e\n\u003cli\u003eValve Sub-Series: Race Flo\u003c\/li\u003e\n\u003cli\u003eValve Material: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eValve Type: Intake\u003c\/li\u003e\n\u003cli\u003eProduct Type: Engine Intake Valve\u003c\/li\u003e\n\u003cli\u003eValve Quantity: 1\u003c\/li\u003e\n\u003cli\u003eEngine Valve Quantity: 1\u003c\/li\u003e\n\u003cli\u003eIndustry: Automotive\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":52480973996395,"sku":"MAN11528-1","price":33.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/public_481bacae-4d33-4e9b-b485-d1892e125952.jpg?v=1778203334","url":"https:\/\/www.raptorracing.ca\/products\/manley-big-block-chevrolet-int-2-190-head-dia-5-218-o-a-length-3715-stem-race-flo-valve-single","provider":"Raptor Racing","version":"1.0","type":"link"}