This kit corrects, prevents and reduces the Allison transmission from going into neutral under a load, 3rd to 4th gear slips, C2 or C3 clutch burning, sticking in one gear, and so forth. This kit allows customers to experience short, crisp, and smooth up shifts and downshift. Kit includes all instructions for a trouble free installation. This Allison valve body recalibration kit is available for 2001-2010 LB7/LLY/LBZ/LMM Chevrolet/GMC 1000, 2000, 2400 Heavy Duty, Work, Tow, or Race diesel trucks.
Installation: Transmission must removed from vehicle for kit installation.