This is a Transmission Rebuild Kit for the Toyota L52 5 speed and L45 4 speed manual transmission for years 1981-84. BK157 This transmission has an iron case with a 9 bolt aluminum top cover. This transmission uses a 75mm ball input bearing (63/32). This transmission was used in the following Toyota Pickup applications: 4 Cylinder 2.2L 4 Speed RWD L45 1981-83 4 Cylinder 2.4L 4 Speed RWD L45 1981-84 4 Cylinder 2.2L 5 Speed RWD or 4WD L52 1981-83 4 Cylinder 2.4L 5 Speed RWD or 4WD L52 1981-84 IMPORTANT PLEASE READ CAREFULLY! This transmission has different input bearings. If your input bearing is not what is listed above, it will take a different kit. Please see our other listings for this kit or contact us for help. The only exception is that the 75mm roller input bearing 032-2 can be replaced by the 75mm ball input bearing 63/32 that is provided in this kit. All other bearings are the same. This kit comes with all the main bearings, input pocket needles, seals, and gaskets.