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COMP Cams 5/16" Viton metal valve seal featuring a .575" outside diameter for use with 5/16" valves and .530" OD guides. The metal body and Viton lip provide reliable sealing and maintain valve spring clearance in performance settings. Ideal for cam upgrades or rebuilds where oil control at the valve stem is critical to maintain engine efficiency and reduce smoking.
COMP Cams Valve Seals 5/16 Viton Metal Body
