ReadyLift 69-3495 4" Front and 3" Rear SST Lift Kit for GMC Yukon/Yukon XL/Denali 1500 4WD 6-Lug 2007-2011 4.0 inch SST Lift Kit will make your SUV ride and handle great while providing the raised height you have been wanting Will never wear, break or fail If you intend to run the stock wheels and tires, a wheel spacer is required to prevent the factory tire from touching the control arm at full locked turn Direct bolt-on, no cutting, drilling or welding required Allows for up to 33 inch tires on aftermarket wheels