E4OD 4R100 1989-04 Heavy Duty Trucks & Vans TRANSGO Reprogramming Kit. (Does not fit 5R110 transmission)
This Kit is called the 4R100-HD2 TUGGER.
- For working trucks.
- Doubles low clutch holding pressure in "1" for downhill use, high speed pull-into "1".
- Handles exhaust brake.
- Adjusts shift firmness.
- More cooling & lubrication.
- Better converter feed and capacity.