COMP Cams Positive Stop Valve Stem Seal - 5/16 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 520-16 59 1957-1957 Chevrolet Sedan Delivery

1957-1957 Chevrolet Sedan Delivery

which provide extra stability

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COMP Cams Positive Stop Valve Stem Seal - 5/16 in Valve Stem - 0.530 in Guide - Steel Body / Viton - Set of 16 520-16 59 1957-1957 Chevrolet Sedan DeliveryProviding the best sealing properties and spring clearance, Viton valve seals are an excellent choice in performance applications. The 520 seals have a . 575" OD and fit applications with 5 16" valves and . 530" OD guides. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the