3x6 rectangular tubing, 2 1/2 x 2 1/2 square tubing and some 2 inch round tubing, a 14b sf axle end, and an old dana 44 hub assy. A cut shaft is welded to the spindle through the back, cut and grind the extra metal around the hub, the spindle is welded to the 3x6 from both sides, the assembly gets put together just like the regular front hub does.