ok i bought a axle that has 54 center to center king pin boss, dia is 7/8" with a 2" drop. does not have parallel spring mounts but has 2 vertical mounts about 40 inches apart. one mount is on the top of the tube and the other extends above and below. they are not perpendicular to the tube, they are roughly pointing 20 degrees inward. camera is charging will post pics. thanks for any help.