Are you still looking for an axle? I have one from a 2wd 2006 f450. I have all new steering linkages for it. Knuckles. Caliper brackets. New calipers and 8 lug f450 rotors. All you need is hubs from an 05-07 f250/f350 and you can bolt up 8x170mm wheels. You will need 20" wheels to clear the brakes. Rotors are 14.5". Need to get $1500 for everything. I'm in Florida.