I think it the rotors will swap out, but forewarned, not all of the 80-82 F100's were the 4.5, my 1980 F100 was the 5.5 rims, so be sure to take a tape. Number Dummy can correct me, but from experience F100's with power brakes has the 5.5, F100's with manual brakes had the 4.5 rims.