TransGo GM 8L90: Late S4 Valve (Oversized)

TransGo GM 8L90: Late S4 Valve (Oversized)

The TransGo GM 8L90: Late S4 Valve (Oversized) is designed to restore proper valve body hydraulic function and pressure control by fixing bore wear in GM 8L90 automatic transmissions.

Key Features

• Oversized design compensates for valve body bore wear
• Restores precise hydraulic pressure and shift feel
• Precision-engineered for durable performance
• Helps prevent shift slips and hydraulic pressure loss

Fitment

• GM 8L90 Automatic Transmissions (Late S4 design)

Note: Requires appropriate reaming tool kit for oversized valve installation. Verify valve body generation and compatibility prior to ordering.