COMP Cams 3/8 Valve Stem Seals Posi. Stop Teflon .530 R10015S The Race Ready version features

The Race Ready version features 100% CNC ported intakes while the higher flowing Competition version features 100% CNC ported intakes with greater detail

1992-1996 Chevrolet C2500 Suburban

and close to allow fan to draw air through the core of the radiator at rest

2011-2018 Ram 1500 RWD

1990-1990 Chevrolet R1500 Suburban

COMP Cams 3/8 Valve Stem Seals Posi. Stop Teflon .530 R10015S The Race Ready version featuresCOMP 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