| Introductory Sale Great for your spring over axle conversion. Kit includes four 5/8" USA made u-bolts with nuts and washers, two leaf spring perches made from boxed 1/4", and two 3/8" thick leaf spring plates. Available for axle tube diameters 2.5", 2.75", 3.0", 3.125", 3.25", and 3.5". | size | 2.5 | 2.75 | 3 | 3.125 | 3.25 | 3.5 | | A | 3" | 3" | 3" | 3" | 3" | 3" | | B | 8.5" | 8.5" | 8.625" | 9" | 9" | 9" | | C | 5/8" | 5/8" | 5/8" | 5/8" | 5/8" | 5/8" | | D | 2.5" | 2.75" | 3" | 3.125" | 3.25" | 3.5" | |