Vented stock 9-1/4" diameter rotors for 1974-1980 Mustang II, Pinto, or Bobcat spindles (or Speedway brake kits using '49-'54 Chevy spindles). Rotors are new, not plugged or re-drilled. Has a 5 on 4-1/2" bolt pattern with corresponding 1/2" diameter fine thread wheel studs.
Be sure to install new bearings and seals with your new rotors.