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COMP Cams 5/16" Viton metal‑body valve seal with a .575" OD designed to fit 5/16" valves and .530" OD guides. The Viton sealing material and metal body help preserve spring clearance while reducing oil leakage into the combustion chamber. These seals are intended for performance applications and routine engine rebuilds where dependable valve stem sealing is needed.
COMP Cams Valve Seals 5/16 Viton Metal Body
