This Supertech titanium retainer is specified for SPR-TS1015 springs with a 6.00mm valve stem diameter and a 6-degree seating angle. It provides the matching seat for that stem size and angle, ensuring correct retention of the SPR-TS1015 spring on compatible valve stems. Install when the head assembly or spring specification calls for a 6.00mm stem, 6-degree retainer to maintain proper spring fit.
Supertech Titanium Retainer for Spring SPR-TS1015 6.00mm Stem 6 Degree