Transgo SK 48-RE Dodge shift kit for the 2003-2007 Diesel & V10 trucks This Shift Correction Kit from Transgo will improve all 48RE Diesel and V-10 Transmissions from 2003-2007. Reduces converter slip, Increases torque capacity, reduces drainback. Has Hi-Temp Low Shrink Rings.. Along with the increased performance from your vehicle, you'll also see an increase in the life of your transmission due to the reduced slippage. This kit does include one step that requires the transmission to be out, but is only recommended if the transmission is out already. All of the important steps are inside the pan and can be performed with the transmission in the vehicle. This is the most complete shift kit available and definitely the most reputable. All Instructions are included, no special tools required. This Shift Correction Kit will come with installation directions.