TransGo Performance Shift Kits 4L80E-HD2

TransGo’s Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours’ work with basic hand tools. TransGo even has kits for computer-controlled, 4-speed automatics. Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Some kits even include a step-by-step video to walk you through the installation process.

Ends direct clutch burn up. Holds big horsepower. Holds 1st, 2nd, and 3rd to any rpm, backshifts to 3rd, 2nd, and 1st at any rpm by moving shift lever. Prevents broken case and drum due to high pressure.