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COMP Cams 5/16" Viton valve seal with a metal body, sized with a .575" outside diameter for use where .530" OD guides and 5/16" valves are specified. These seals provide strong sealing properties and maintain spring clearance, making them suitable for performance valve trains and engine rebuilds that require dependable oil control at the valve stem.
COMP Cams Valve Seals 5/16 Viton Metal Body
