Manley 11227-1 - 41.3mm Dia / 146.1mm Length Severe Duty Exhaust Valves (Single)

Manley 11227-1 - 41.3mm Dia / 146.1mm Length Severe Duty Exhaust Valves (Single)

Manley VALVE-GEN II 1.625

Manley Gen II Custom Stainless Steel Valves are precision-manufactured from premium stainless alloys and built to customer specifications for virtually any high-performance application. Featuring hardened tips, hardened keeper grooves, and hard chrome-plated stems, these valves provide exceptional durability without requiring inserted tips or wear caps. Available in Race Series, Severe Duty®, and Extreme Duty configurations, each valve is CNC machined to the customer's specifications for dependable performance in demanding street, racing, and custom engine builds.