Our axle swap combo's are the best of the best. When it comes to changing axles in a leaf sprung rig you want to get it right the first time, and forget about it. Like all of our products, they are made in the USA from USA steel. This combo includes all the parts that you will need for your weekend axle swap. Four 10" x 5/8" x 3 3/8" U-Bolts With Tall Nuts and HD Washers Two 14 Bolt Anti-Wrap Spring perches Two U-Bolt Plates for 2.5" Springs Two Bent Axle Shock Mounts