Competition Cams 503-16 11/32" Valve Stem Diameter Positive Stop Valve Stem Oil Seal 793842519471 Mounting hole accepts up to

Competition Cams 503-16 11/32" Valve Stem Diameter Positive Stop Valve Stem Oil Seal 793842519471 Mounting hole accepts up toBrand Comp Cams Model 503 16 Work with . 530 inch guides and 11 32 inch valve stem diameter Valve stem oil seals keep unwanted oil from entering the combustion chamber Several different types of valve seals are offered COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive stop seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The

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