TransGo 350-3 Gear Command Automatic Transmission Shift Kit for GM TH250 and TH350, 1969-1986

Upgrade the performance and control of your GM automatic transmission with the TransGo 350-3 Gear Command Automatic Transmission Shift Kit. Designed for GM TH250 and TH350 transmissions used from 1969 through 1986, this reprogramming kit helps address common shift-quality concerns while providing a practical solution for transmission recalibration. It is suited for restoration projects, performance upgrades, and transmission service applications where improved operation and consistent shifting are desired.
The TransGo 350-3 kit includes the components needed for installation and valve-body modification, including valves, springs, spacers, and required hardware. These carefully matched components are designed to work together within the transmission’s hydraulic control system, helping support more positive shift action and improved overall transmission response. The kit provides a focused approach to updating the shift characteristics of compatible TH250 and TH350 applications without requiring a complete transmission replacement.
Compatibility: GM TH250 and TH350 automatic transmissions from 1969-1986. Kit contents: Valves, springs, spacers, and installation hardware. Application: Automatic transmission shift reprogramming and valve-body service. Brand confidence: TransGo is recognized for transmission shift-improvement products engineered for service professionals, builders, and experienced installers. Verify transmission identification and application details before installation to ensure compatibility with the specific vehicle and transmission configuration.
The TransGo 350-3 Gear Command Shift Kit is a dependable choice for maintaining or improving the function of a compatible GM automatic transmission. Follow the included installation instructions and use proper transmission service procedures during installation. Professional installation is recommended when transmission hydraulic systems or valve-body components require specialized tools, measurements, or adjustment.

Features:

• Application: Automatic transmission shift reprogramming kit for compatible GM transmissions

• Compatibility: GM TH250 and TH350 automatic transmissions from 1969-1986

• Kit contents: Valves, springs, spacers, and installation hardware

• Performance support: Helps promote more positive shift action and improved transmission response

• Brand: TransGo Gear Command transmission shift kit

• Part number: 350-3