Description
New Direct Drum Piston Return Springs
- Factory 47RH, 47RE, and 48RE transmissions are typically equipped with 9 direct drum piston return springs. During a rebuild, adding additional return springs can improve shift timing and overall shift quality, especially when used with performance or manual valve body configurations.
Recommended spring counts:
- Automatic valve body: 10 direct return springs
- Forward manual valve body: 12 direct return springs
- Reverse manual valve body: 15 direct return springs