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The COMP Cams Viton valve seal is a metal‑bodied seal engineered to provide strong sealing and adequate spring clearance for 5/16" valve stems. Constructed from Viton for reliable sealing properties, the seal measures .675" OD and is sized for 5/16" valves and .530" guide ODs. It's a direct replacement option for performance builds and engine rebuilds needing durable valve sealing.
COMP Cams Valve Seals Metal Body Viton
