This is a transmission bearing rebuild kit for the Toyota rear wheel drive or four wheel drive R151 5 speed manual transmissions for years 1994-99 BK163C This rebuild kit is for the 5 speed R151 transmission which has an aluminum case and removable bell housing. This transmission also has a 92mm outside diameter input bearing (040-1, 35TM03, DG4092 or 40TM05) and the rear main shaft bearing is 031BC05. This transmission was used in the following applications: Toyota Pickup 6 Cyl 3.0L 1994-95 Toyota Tacoma 6 Cyl 3.4L 1995-On Toyota T100 6 Cyl 3.0L 1994-95 Toyota T100 6 Cyl 3.4L 1994-95 Toyota 4 Runner 6 Cyl 3.0L 1994-95 Toyota 4 Runner 6 Cyl 3.4L 1996-99 This kit comes with all the main bearings, input pocket bearing, and seals.