Transgo GM 200-4R: Reprogramming Kit (New Design) ’81-90
200-4R-HD2
The options in this kit will produce shifts from Firm to WILD!Also Includes:
- Calibration for multiple valve body typesNew dual feed 3rd clutch circuit increases 3rd clutch holding torque by 200%Billet 2nd servo piston increases band holding torque
Please contact us with any questions or concerns.
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