Competition Cams 503-16 11/32" Valve Stem Diameter Positive Stop Valve Stem Oil Seal 793842519471 Free of harmful lead

Free of harmful lead

OE-style design and fit

Brakes feel superb from first touch of the pedal and stay effective up to race temperatures

Brand JOT Model 220182 1504

woodruff keys

Competition Cams 503-16 11/32" Valve Stem Diameter Positive Stop Valve Stem Oil Seal 793842519471 Free of harmful leadBrand 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