Shift Kits

4T60 TH440 Reverse Cushion Kit (1984-UP)

This kit is designed to be installed when the transmission is on the bench  in order to sand the drum If the transmission is in the car, you will still get a big improvement without sanding the drum, but, it you want perfection—sand the...

4T60E SHIFT KIT® Jr. Valve Body Repair Kit (1991-UP) TransGo

SHIFT KIT® Jr. Valve Body Repair KitFits all 4T60E 1991-on Corrects/Prevents/Reduces: Codes P0740, P0742, P0756, P1870, Light throttle converter shudder/slip Won’t lock-up, falls in and out of lock-up Lock-up on top of 2nd No lockup...