This is the basic kit essential for any rear axle swap or spring over conversion--more items could be added, but this is the bare minimum needed to get going. You will receive 1 pair of our 3/8" thick A50 Steel U-Bolt plates (for 2.5" springs) with 3 pin mounting options, a pair of our Spring Perches (2.5" wide with the proper axle tube cutout) with the same pin option to match, 4 - 10" x 5/8" U-Bolts with 1/4" laser cut washers and nuts, and a pair of Shock Brackets. This will get your Axle under the rig. BTW, this is NOT a Chinese made product that just can't hang with the big kids, this IS the Big Kid.