The Supertech titanium retainer is produced to fit both outer and inner positions referenced as TS1015 outer and SPR-TS IN2 inner. It matches the TS1015 family interface to secure corresponding valve springs and maintain correct seating across both inner and outer spring locations. Use when assembling or repairing heads that require TS1015-compatible outer and inner retainers for proper valvetrain function.
Supertech Titanium Retainer for TS1015 Outer Inner SPR-TS IN2