TransGo 4R100-HD2 Reprogramming Kit

Fits 89-04 E4OD, 4R100 Trucks and Vans

Perfect 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.

Assistance Video Does not fit 5R110
Special Instructions: Requires transmission removal for proper installation.

Installation recommendation: Professional technician
Transmission removal necessary: Yes