TransGo GM 8L90: TCC, S2, S3 & S4 Early Regulator Valve & Springs (Oversized)
TRANSGO
TransGo GM 8L90: TCC, S2, S3 & S4 Early Regulator Valve & Springs (Oversized)
The TransGo GM 8L90: TCC, S2, S3 & S4 Early Regulator Valve & Springs (Oversized) is an upgraded replacement kit designed to fix bore wear and restore proper hydraulic pressure control in GM 8L90 automatic transmissions.
Key Features
- Restores proper TCC, S2, S3, and S4 regulator valve function
- Corrects circuit pressure loss and shift performance issues
- Includes oversized replacement valves and calibrated springs
- Durable construction for long-lasting reliability
Fitment
- GM 8L90 Automatic Transmissions
Note: Requires appropriate reaming tool kit for installation. Verify transmission model and bore condition before ordering.