COMP Cams Valve Seals - Umbrella - Stock Guide - 11/32" - Simpson Hans Device An oversize rod end (sold

An oversize rod end (sold separately

350 gph Free Flow

Accepts 1/2" hardware

1989 Chevrolet R2500

COMP Cams Valve Seals - Umbrella - Stock Guide - 11/32" - Simpson Hans Device An oversize rod end (soldCOMP 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