TransGo 40-3 Reprogramming Kit for Ford C4 Automatic Transmissions, 1970-1981

Improve the shift performance and control of your Ford C4 automatic transmission with the TransGo 40-3 Reprogramming Kit. Designed for Ford C4 applications from 1970 through 1981, this kit provides the components needed to recalibrate transmission operation for manual shift control and more consistent performance. It is a practical solution for rebuilding or modifying compatible transmissions with quality components from TransGo.
The kit includes springs, gaskets, and installation hardware selected to support the reprogramming process. These components work together to help tailor shift behavior and transmission response according to the intended application. The TransGo 40-3 is suitable for transmission professionals, performance enthusiasts, and vehicle owners seeking a focused upgrade or service solution for a compatible Ford C4 transmission.
Verify transmission compatibility and application details before installation. Proper installation should be performed by a qualified technician using the appropriate service procedures and tools. As a dedicated reprogramming kit, the TransGo 40-3 is intended to complement a complete transmission service or rebuild while helping maintain dependable operation and precise shift control.

Features:

• Brand: TransGo

• Part Number: 40-3

• Application: Ford C4 automatic transmissions from 1970 through 1981

• Kit Type: Automatic transmission reprogramming kit

• Shift Control: Designed for manual shift applications

• Included Components: Springs, gaskets, and installation hardware

• Use: Supports transmission service, rebuilding, and performance modifications