TFOD-JR - A500 A518 Transmission Transgo Shift Kit junior Gas W/ & W/O Electronic Governor 1990-05 1988-03 4 Speed 500, 518 and 618 Fits early model 42-47 RH with hydraulic/mechanical governor or later model RE with electronic governor pressure solenoid and transducer. NOTE: Do not use in Diesel engine equipped vehicles, if Diesel use SK TFOD Diesel Includes New Manual valve, TCC boost valve bracket, Mumbly Peg for easy rooster comb assembly and items for corrected unit calibration. Addresses Converter slip-shudder. Leaks out vent or lever. Front bushing and seal burnup. Drainback Complaint Installation recommendation: Experienced technician Transmission removal necessary: No