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.
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.
Built to Last: Featuring chrome stems and hard tips for exceptional longevity and wear resistance.
Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8)
XH-432 XtremeAlloy: The hallmark of excellence in exhaust valve material construction.
Extr. Dty. Chevy 5.3L L83 Ex. Vlv Kt-1.560 in. Dia.,5.208 in. O/A ,.3136 in. Stm
Manley Valve - Exhaust, Valve-Extreme Duty L83 53L 1.560, .3136 STEM
Manley Valve - Exhaust, Valve-E/D L83 5.3L 1.560, .3136 STEM.
Manley Valve - Exhaust, Valve-E/D L83 5.3L 1.560, .3136 STEM
Valve-E/D L83 5.3L 1.560, .3136 STEM
Engine Exhaust Valve
Valve - Exhaust
