Manley 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.. Recommended for Alcohol Engines: These valves are the recommended choice for exhaust valves in alcohol engines, ensuring reliable performance even in demanding conditions.. Swirl Polished and Fully Machined: The valves feature swirl polished under head areas and fully machined combustion faces to optimize airflow and combustion efficiency.. Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.. Variety of Shapes: Choose between Race Master (Straight Stem) and Race Flo shapes to suit your racing engine's specific requirements.. Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity and wear resistance.. Manley 92-00 Acura Integra / 99-00 Honda Civic 16 Valve 29mm RaceMaster Exhaust Valve (Set of 8). Race Acura 1.6L B16A1 Ex. Vlv Kit - 29.00mm Dia.,102.70mm O/A ,.2150 in. Stem. Manley Valve - Exhaust, Valve-R/M HONDA 29mm.. Manley Valve - Exhaust, Valve-R/M HONDA 29mm. Engine Exhaust Valve. Valve-R/M HONDA 29mm. Valve - Exhaust

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