Using a hydraulic jack, the rearend was supported. With an impact gun, the U-bolts were removed. Notice the factory setup shows the leaf spring pack on topof the axle. The crew then swapped the position of the leaf spring pack on top of the axle using the supplied flip bracket. They made sure the narrow ear of the pack faced the rear of the truck.
2007 Chevrolet Silverado Lowering Kit - Hot off the Press