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Competition Cams 505-16 3/8" Valve Stem Diameter Positive Stop Valve Stem Oil Seal Review
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Competition Cams 505-16 3/8" Valve Stem Diameter Positive Stop Valve Stem Oil Seal
Work with .530 inch guides and 3/8 inch valve stem diameter
Valve stem oil seals keep unwanted oil from entering the combustion chamber
Several different types of valve seals are offered
