E40D/4R100 REPRO KIT HD TUGGER (1989-2005) T36169EA

The most popular valve body performance kit available for Ford E40D and 4R100 transmissions. The TransGo Tugger Reprogramming Kit prevents downhill clutch burnup and doubles low clutch holding pressure in manual first gear for downhill compression braking.

TransGo Reprogramming Kit, Tow, Hi-Performance, Stage 1, Stage 2, Diesel Performance; Doubles low clutch holding pressure in manual first gear for downhill compression braking