If it is a 6 lug, lond spindle (Shortspindle from a 10 bolt won't work), Carl is right, just swap the ford 1/2 ton wheel hub and rotor. No change in width. If 8 lug chevy, then you need a 1/2 ton chev caliper bracket and the ford wheel hub and rotor. (FSJ's have the right parts too, but some are...