Functions of the Leveling Kit: A leveling lift utilizes blocks and spacers to lift the body higher onto the frame of the vehicle without altering any of the suspension geometry. With a leveling lift kit, the ground clearance remains unchanged, but the extra height allows you to run larger wheels and tires, preventing chassis rubbing Applications: 2007-2013 Chevrolet Avalanche 2WD/4WD 2007-2019 Chevrolet Silverado 1500 2WD/4WD 2007-2019 Chevrolet Suburban 1500 2WD/4WD 2007-2019 Chevrolet Tahoe 2WD/4WD 2007-2019 GMC Sierra 1500 2WD/4WD 2007-2019 GMC Yukon 2WD/4WD 2019 Old Body Style Only; 2019+ NEW BODY STYLE 2WD ONLY .