Shift kit only, does not include pump improvements available for the 2001-2005, 5 speed. Transmission does not need to be removed from truck for this kit. For complete kit click here
Install from bottom.
Increases torque capacity
Corrects/Prevents/Reduces: Goes to neutral under load; 3-4 slip; burned C3 clutches; sticks in one gear;
smart clutch control valves for increased durability;
SHORT-CRISP-SMOOTH-upshifts and kickdowns.