Transgo Allison 1000 5 Speed Shift Kit.
For 2001, 2002, 2003, 2004, 2005 GM 6.6L Duramax LB7 LLY
The basic element of a built Allison
This kit includes pump improvements and requires transmission to be removed from truck.
Corrects/Prevents/Reduces: Goes to neutral under load; 3-4 slip; burned C2 or C3 clutches; sticks in one gear; wont move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts and kickdowns.Handles 500 Street Horsepower.