A727/A904 NoYoYo W/ Manual Valve Shift Kit 1960-Up TF6, TF8, 904 and 727 3 Speed RWD 60-up Aluminum Case Transmission Includes New Manual valve, Mumbly Peg for easy rooster comb assembly and items for unit calibration. Addresses Converter slip-shudder. Leaks out vent or lever. Front bushing and seal burnup. Drainback Complaint Features Smooth Crisper shifts, improves durability. Installation recommendation: Experienced technician Transmission removal necessary: No