Manley Extreme Duty Stainless Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.522 in Long - Big Block Chevy (Set of 8) H776427L accept most standard thermostats and

accept most standard thermostats and swivel a full 360° to simplify connection of LH or RH radiator hoses to engine

1987-1995 Chevrolet G30

and the shape of our icon

1968-1972 Pontiac GTO

Flat Black

Manley Extreme Duty Stainless Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.522 in Long - Big Block Chevy (Set of 8) H776427L accept most standard thermostats andDiscover 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. Product Description: Exhaust Valve Extreme Duty 1. 880 in Head 11 32 in Valve Stem 5. 522 in Long Stainless