TH400 Reprogramming Kit™ with Gear Command™
Fits all 400 1965-on
Heavy duty and high performance valve body calibration and internal upgrades for General Motors TH 400 automatic transmissions.
Features:
- Automatic shift
- Street or full race
- Holds 1st and 2nd to any RPM
- Back-shifts to 2nd and 1st at any RPM
- Tow&Go™ or competition
Also Includes:
- (2) different size 1-2 shift valves
- Direct clutch high rate return springs
- Heavy duty intermediate pressure plate snap ring
- 3rd clutch dual feed separator plate
| Weight | 7.32 lbs |
|---|---|
| Dimensions | 16 × 11 × 2 in |