Sold individually, all Manley valves are held to the highest standards. Swirl-polished heads, chromed stems, and hardened tips provide the advantage you expect from America's premier performance valve manufacturer. Valve types/detail below.
Budget Performance ReplacementFor stock rebuild or mild performance applicationsSuperior to OE construction in every aspect
Street FloFor street/strip applicationsFully-machined combustion faces and necked-down stems
Street MasterFor bracket racer engines and street performanceStraight stems provide extra meat for outstanding durability
Race FloFor mild drag or circle track engines and street performanceNecked-down stems for less weight and more flow
Race MasterFor mild drag or circle track engines and street performanceSimilar to Race Flo valves except with straight stems
Pro FloFor drag, circle track, and hot street enginesStainless steel undercut design for less weight and up to 40% more flow
Severe DutyFor applications with high spring pressures and high RPMsOne-piece stainless steel design
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