Number:T74171E Description:REPROGRAMMING KIT (4L60E-HD2) 4L60E, 4L65E, 4L70E and 4L75E 93-07 Except Hybrid units.   Puts the driver in command. Holds 1st, 2nd, 3rd to any speed. Backshifts to 3rd, 2nd & 1st by moving the lever, Includes: (High RPM Clutch Spring Kit) & (.500 Boost Valve): (98 up: If vehicle has Torque Management this kit will not make hard shifts.)   Price:$137.16