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COMP Cams Viton valve seal for GM LS1 applications provides durable sealing to limit oil migration past valve guides. The 511 seal measures .600" OD and fits LS engines with 8mm valves and .500" OD guides. COMP positions Viton seals as a suitable choice when enhanced sealing properties and proper spring clearance are needed without modifying existing guide or spring components.
COMP Cams Valve Seal Viton GM LS1 .313
