Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededTRANS GOPART NUMBER: 887-340-HD2
Reprogramming Kit A340/341/343/AW4
$11200
Ships on 09/15/2026
Lowest Price GuaranteeReprogramming Kit
Mopar
Mopar
- Fits 1985-On A340, A341, A343, Jeep Aw4 4-Speed
- Installation: Transmission Removal Not Required
- Toyota A340, A341, A343, AW4 Reprogramming Kit with Gear Command
- This TransGo Reprogramming Kit comes with everything you need to recalibrate the accumulators, feed orifices as well as pressure regulation for street, strip and off road. The resulting increases clutch plate durability and produces short-firm shifts that are perfect for hot rods as well as work trucks. In addition, when using the included optional low hold 1-2 shift valve, the transmission will stay in low gear with lever in manual low position.The kit also includes a drop-in USA-made hardened steel TCC relay boost valve and bushing that restores the hydraulic circuit integrity for all type two, three and four valve bodies except some Lexus modes. This hardened steel boost valve and bushing assembly provides you with a durable direct replacement for the soft aluminum OEM assembly that is prone to wear. The kit can also be installed with the transmission in vehicle.
Automatic Transmission Valve Body Reprogramming Kit
340-HD2 Features:
Part TypeAutomatic Transmission Shift Kit
BrandTRANS GO
Package Height2.5
Package Width12.3
Package Length15.6
Weight1.78 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number340-HD2
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Quick Shift Automatic Transmission Fluid [1-gallon]](https://www.jegs.com/images/mini_200/500/555/555-28071.jpg)
JEGS
Quick Shift Automatic Transmission Fluid [1-gallon]
Part Number : 555-28071
$4499$51.99
You Save$7.00
![Quick Shift Automatic Transmission Fluid [1-quart]](https://www.jegs.com/images/mini_200/500/555/555-28070.jpg)
JEGS
Quick Shift Automatic Transmission Fluid [1-quart]
Part Number : 555-28070
$1099$12.99
You Save$2.00
![Funnel [18 in. Overall Length]](https://www.jegs.com/images/mini_200/500/555/555-w4034.jpg)
JEGS
Automatic Transmission Pan Bolt Set for TH350 and TH400
Part Number : 555-83370
$1379$14.99
You Save$1.20
JEGS
Transmission Pan Stud Kit Fits Powerglide, TH350/400, 904, 727, C4 & C6
Part Number : 555-83335
$1499$16.99
You Save$2.00
JEGS
Automatic Transmission-to-Block Bolt Set for GM Powerglide, TH350, TH400 and 700R4
Part Number : 555-82510
$1129$13.99
You Save$2.70
![Torque Converter Bolts For TH350, TH400 and Powerglide Converters [Set of 3]](https://www.jegs.com/images/mini_200/500/555/555-82501.jpg)
JEGS
Torque Converter Bolts For TH350, TH400 and Powerglide Converters [Set of 3]
Part Number : 555-82501
$899$9.69
You Save$0.70
JEGS
Urethane Transmission Mount Fits Most GM Transmissions
Part Number : 555-61821
$4299$47.99
You Save$5.00
![Flexible Braided Transmission Dipstick for TH350/TH400 [Polished]](https://www.jegs.com/images/mini_200/500/555/555-61590.jpg)
JEGS
Flexible Braided Transmission Dipstick for TH350/TH400 [Polished]
Part Number : 555-61590
$6299$64.99
You Save$2.00
JEGS
Speed Soap Hand Cleaner, Heavy-Duty Walnut Shell, 14 oz. Squeeze Bottle
Part Number : 555-72338
$809$15.99
You Save$7.90
![Heavy-Duty Nitrile Gloves [7 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1124.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
![2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80006.jpg)
JEGS
2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]
Part Number : 555-80006
$24499$269.99
You Save$25.00
JEGS
Low-Profile Transmission Jack 1000 lb. Capacity
Part Number : 555-79012
$20499$221.39
You Save$16.40
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)
JEGS
Part Number : 555-28071
$4499$51.99
You Save$7.00
JEGS
Part Number : 555-28070
$1099$12.99
You Save$2.00
Some parts are not legal for use in California or other states with similar laws / regulations
