COMP Cams Valve Seals - Umbrella - Stock Guide - 11/32" - Simpson Hans Device 195 Degree F On

195 Degree F On

***NOTE: Does not fit ZL1

Fixed Length (DO NOT CUT)

1989 Chevrolet R2500

COMP Cams Valve Seals - Umbrella - Stock Guide - 11/32" - Simpson Hans Device 195 Degree F OnCOMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger than stock diameter spring is used, in the case of a double spring, the positive stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon