Box 2 of MaxTrac’s 7-inch lift kit for 2007–2016 GM K1500 4WD includes subframes and a pair of MaxTrac rear shocks. Supplied as the second component box in a three-box kit, it contains structural and damping parts intended to work with the other boxes to complete the full 7" lift. All three boxes must be ordered to assemble the complete lift system.
MaxTrac 07-16 GM K1500 4WD Front & Rear Lift Kit - Component Box 2