COMP Cams metal-body Viton valve seal (3/8" x .500") combines good sealing with improved spring clearance for higher-demand applications. The 514-style seal has a .625" OD and fits 3/8" valves and .500" guide bores, providing the Viton sealing properties favored in performance valve trains that need room for larger retainers or dual-spring setups.
COMP Cams Valve Seals Metal Body Viton 3