TransGo GM 8L90: S1, S5 Regulator Valve Tool Kit

TRANSGO TransGo
SKU #TRG-8L90-S1REG-TK
TransGo GM 8L90: S1, S5 Regulator Valve Tool KitThe 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.
SKU TRG-8L90-S1REG-TK
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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.

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