ATS CoPilot Transmission Controller 06-07 GM Duramax LBZ ALI-AP63482 and custom-tuned Bilstein 5100 rear

and custom-tuned Bilstein 5100 rear shocks

Upgrade the appearance of your XD while keeping the rear differential running cool by upgrading with this replacement cover from aFe

which effects timing

hassle free installation

ATS CoPilot Transmission Controller 06-07 GM Duramax LBZ ALI-AP63482 and custom-tuned Bilstein 5100 rearThe Co Pilot for the 06 07 Allison 1000 makes it possible to transfer increased power levels over stock developed by a modified engine to the rear wheels without causing the dreaded transmission slip and condition that plagues the Allison transmission. The Co Pilot package alone, without any internal transmission modifications, allows the transmission to handle approximately 85 more horsepower and 120 foot pounds of torque over the power level at