{"product_id":"manley-small-block-chevy-ls-1-ls-2-ls-6-head-2-000-head-diameter-race-flo-intake-valves","title":"Manley Small Block Chevy LS-1 \/ LS-2 (LS-6 Head) 2.000 Head Diameter Race Flo Intake Valves","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\n\u003cbr\u003eHead Diameter: 2.000 in. - Stem Diameter: .3133 in. - O\/A : 4.874\n\u003cbr\u003eManley Valve - Intake, Valve-LS1 R\/M 2.000.\n\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cbr\u003e  \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\u003cbr\u003e  \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\u003cbr\u003e  \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\u003cbr\u003e  \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\u003cbr\u003e  \u003cli\u003eChrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\n\u003ch3 class=\"fitment-table-managed-heading\"\u003eVehicle Fitment\u003c\/h3\u003e\u003cstyle\u003etable.fitment-table-managed, .fitment-table-managed th, .fitment-table-managed td { border: 1px solid #ddd; 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