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COMP Cams 5/16" Viton metal‑body valve seal engineered to prevent oil from entering the combustion chamber while preserving valve spring clearance in performance applications. This seal has a .575" outside diameter and fits 5/16" valves with .530" OD guides. It’s intended for rebuilds and cam upgrades where reliable sealing and proper spring clearance are required.
COMP Cams Valve Seal 5/16 Viton Metal Body
