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400-1&2 - GM THM400 TH400 Transmission Transgo Reprogramming Shift Kit

Regular Price $116.85
SKU
400-1&2

Reprogramming Kit™
with Gear Command™
Fits all 400 1965-on

*Transmission Removal Optional*

*Optional Internal Upgrades Included*

*Performance*

*Tow/Haul*

*Gear Command*

  • Buy 5 for $111.01 each and save 5%
  • Buy 10 for $105.17 each and save 10%
Earn Up to 117 Transparts Reward Points.
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Why Choose a
Rebuild Kit?
  • Includes all essential high-wear components
  • Simplifies ordering - no more hunting down part numbers
  • Trusted by top shops and repeat customers
  • Perfect for full overhauls or preventative maintenance
Make sure you've got everything - upgrade to a complete rebuild kit today. Shop Automatic Kits

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

More Information
ManufacturerTransgo
High PerformanceYes
ConditionNew Aftermarket