Valve - Exhaust

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted carburetor circle track competitors, these valves are your ticket to unparalleled performance.

Additional Information

Manley Valve - Exhaust, Valve-FD MOD Extreme Duty 37.5mm

Part Type

Engine Exhaust Valve

• Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
• Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.
• Optimized Performance: Swirl polished under head areas and fully machined combustion faces improve airflow and combustion efficiency.
• XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.

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Reference Information

Valve, Exhaust, Stainless Steel, 37.50mm Diameter, 116.459mm Length, Set of 8

Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.