GSC 4G63 OEM Replacement Valve Keeper Set (1003) StopTech When an engine mounted pump

When an engine mounted pump is not available or space limits the ability to use one

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GSC 4G63 OEM Replacement Valve Keeper Set (1003) StopTech When an engine mounted pumpGSC Power Division valve keeper (lock) set for the 4G63 Evo and 1G 2G DSM. Comes as a set for 16 locks (32 pieces). Suitable for all GSC Power Division valve spring and retainer kits, as well as the OEM as an alternative to expensive dealership parts. New keepers are recommended anytime the valves are replaced for proper fitment in the valve groove to allow for rotation and stability for the valve train. Vehicle Fitment: Mitsubishi 4G63 1992 2006