64 rear end help

64 rearend is offset to pass side im putting a ford explorer 8.8 in my 64 valiant 318 mag 518 od trans ...factorer efi ...the ford rear end 59.5 hub to hub with rh 28 in ,lh31.5 center to hub ....spring perches at 40 in . move perches out 11/2 in.each side . cut ford perches off and reuse ....u can find these axles with disc brakes and 5x41/2 bp..for under 300 .00 with limted slip