The Borg Warner SR4 transmission was a standard shift, four-speed transmission found in 1980 to 1981 Jeep CJ models. It is a light-duty transmission found behind the 151 Iron Duke I4 and the AMC 258 I6. Features
The SR4 is a top loaded, top shifting transmission with the shifter being located in the rear section of the transmission. The SR4 is fully synchronized in the first through fourth gears. All gears are helically cut.