Our axle swap combo's are the best of the best, with these combo's you will be saving a 10% discount off our all ready low prices. 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 U-Bolts 5/8" x 3 1/4" x 10"Two Dana 60 Spring perchesTwo U-Bolt Plates for 2.5" SpringsTwo Bent Axle Shock Mounts If you would like to exchange a item for one of a differnt size just let us know.