Manley’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 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. Categories: Race, Stainless Steel, Valves Specifications (vary by selection) Intake (NK-842) Product Market Domestic Head Diameter 2.140 IN Stem Diameter 0.3125 IN Valve Stem Diameter 0.3125 IN O/A Length 5.135 IN Tip Length 0.120 IN Margin Width 0.050 IN Seat Width 0.080 IN Top of Head 5 Degree Dish Underhead Angle Pro Flo: 10.00 DEG Emissions Code 3 Valve Series Race Series Valve Sub-Series Race Flo Valve Material Stainless Steel Valve Type Intake Product Type Engine Intake Valve Kit Valve Quantity 8 Exhaust (XH-426) Product Market Domestic Head Diameter 1.654 IN Stem Diameter 0.3125 IN Valve Stem Diameter 0.3125 IN O/A Length 5.100 IN Tip Length 0.120 IN Margin Width 0.080 IN Seat Width 0.100 IN Top of Head 20 Degree Dish Underhead Angle 25.00 DEG Emissions Code 3 Valve Series Race Series Valve Sub-Series Race Master Valve Material Stainless Steel Valve Type Exhaust Product Type Engine Exhaust Valve Kit Valve Quantity 8
SKU 1233X-8
Brand Manley

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