BPro Comp K1085B 6" Lift Kit with Knuckle, Block and ES9000 Shocks for GM 2500 4WD 2011 ReviewbP PP Pro Comp K1085B 6" Lift Kit with Knuckle, Block and ES9000 Shocks for GM 2500 4WD 2011 PProvides A Smooth Compliant RidePNo DrillingPNo WeldingP34 in. Overkill U BoltsPOver 4 ft.