TransGo Allison Jr Shift Kit.
SK-ALLISON-JR.
Easy to install shift kit. Increases torque capacity.
For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 20087, 2009, 2010 GM 6.6L Duramax LB7 LLY LBZ LMM
Easy to install shift kit.
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.
Install from bottom. Increases torque capacityCorrects/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.