TransGo GM 8L90: S1, S5 Regulator Valve Tool Kit
TRANSGO
TransGo GM 8L90: S1, S5 Regulator Valve Tool Kit
The TransGo GM 8L90: S1, S5 Regulator Valve Tool Kit is a precision-engineered repair tool kit designed to ream bore damage and restore proper hydraulic pressure control in GM 8L90 automatic transmissions.
Key Features
- Professional tool kit for installing oversized S1 and S5 regulator valves
- Restores proper valve body circuit operation and pressure regulation
- Precision machined components for smooth and accurate reaming
- Helps eliminate shift slip, harsh engagement, and pressure-related codes
Fitment
- GM 8L90 Automatic Transmissions
Note: Designed for professional valve body repair. Verify transmission model and valve body condition prior to installation.