The Supertech titanium retainer is made for 6mm valve stems and listed under SPR-TS1015 M1007D reference. It serves as a replacement retainer to secure valve springs and restore correct seating during valvetrain maintenance. Use this retainer when the engine requires a 6mm-stem retainer matching the SPR-TS1015/M1007D specification.
Supertech Titanium Retainer 6mm Valve Stem SPR-TS1015 M1007D