Heavy Duty Spring Retainer Kit GM-RS-3HPK
- 68RFE
- 68RFE Multi-Plate Performance Converter
- A618, 47RH/RE, 48RE (310mm) Multi-Plate Performance Converter
- BorgWarner 310mm LU (A618, 47RH/RE, 48RE)
- BorgWarner 310mm NLU
- Buick TH350
- TH400 (3L80), AT-540
Sonnax heavy duty spring retainer kit GM-RS-3HPK includes a shim to help better support the springs and rolls. This is a drop-in replacement for use in stock or hi...Read More
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