Valve Seals

COMP Cams Valve Seals 11/32in PTFE - 503-8

COMP Cams offers a complete line of valve stem Seals, from the stock GM "O-Ring" to the positive-stop PTFE Seal. These Seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The "O-Ring"...

COMP Cams Valve Seals 11/32in PTFE - 503-16

Fits: 11/32" Valve Stems / .530" Guides (.630" Seal Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Smaller diameter than COMP Umbrella Seals to allow use with double springs.

COMP Cams Valve Seals 11/32in UmBRella - 502-16

Fits: 11/32" Valve Stems - OE-Size Valve Guides (.750" Outer Diameter). Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guides. Normally used when a larger-than-stock diameter spring is used. Requires no...

COMP Cams Valve Seal 11/32in UmBRella - 502-1

Fits: 11/32" Valve Stems - OE-Size Valve Guides (.750" Outer Diameter)Valves Seals keep unwanted oil from entering the combustion chamber through clearance in the valve guidesNormally used when a larger-than-stock diameter spring is usedRequires no...