TF6, TF8, 904 and 727 3 Speed RWD 1960-up Aluminum Case Transmission Does NOT FIT 60-65 models with Rear Pump or models with Lock-up Torque converter. Includes New Manual valve, Mumbly Peg for easy rooster comb assembly and items for Heavy Duty-Performance unit calibration. Addresses Leaks out vent or lever. Front bushing and seal burnup. Drainback Complaint Features Instant full-race; Stick Shift Kit. Full driver control, Shifter position is the gear selection for upshifts and downshifts at any speed/rpm. Installation recommendation: Experienced technician Transmission removal necessary: No