This is a Mitsubishi Mighty Max Pickup Truck Transmission Rebuild Kit for the 2WD (KM130 1983-86) & 4WD (KM144 1983-84) 4 Speed Transmissions BK109WS The above 4 speed transmissions were found in the Mitsubishi Mighty Max with the 4 Cylinder 2.0 Liter engine only. This kit comes with all the main bearings, seals, gaskets and synchro rings