Leveling Lift. Chevy Silverado 1500 2007-2018 6-Lug 2WD 4WD. GMC Sierra 1500 2007-2018 6-Lug 2WD 4WD. Rear block kit will put a slight rake back in your vehicle for hauling or towing or lifting. The kit will not affect your factory OEM ride quality or comfort level.
