TransGo Manual Shift Automatic Transmission Reprogramming Kit - GM 4L80E / 4L85E 1991-2013 12616 19 in Shaft

19 in Shaft

Common design to fit most late model chassis

1966-1971 Mercury Cyclone

1955-1960 Studebaker 5E5

TransGo Manual Shift Automatic Transmission Reprogramming Kit - GM 4L80E / 4L85E 1991-2013 12616 19 in ShaftThis TransGo Reprogramming Kit provides full manual control for upshifting and downshifting 1st through 4th gear, there are no automatic shift functions retained. This kit delivers short firm shifts for performance as well as greater overall durability. It is designed for the off road driver only and for vehicles that do not have any TCM controls. It's all about providing the required gears when there are no computer controls. Similarly, the internal