TransGo GM 8L90: TCC, S2, S3 & S4 Early Regulator Valve & Springs (Oversized)

TRANSGO TransGo
SKU #TRG-8L90-REG-OS
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.
SKU TRG-8L90-REG-OS
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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.

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