Comp Cams Valve Stem Seals (Options Available)

COMP Cams offers a complete line of valve seals, from the stock GM O rings to the positive-stop PTFE seals. They are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides.The O ring seals use the standard retainer and oil splash shield. The umbrella seals are normally used when alarger than stock diameter spring is used. In the case ofa double spring, the positive stop PTFE seals are used. For triple-spring applications, use the smaller-diameter Viton seals.