THIS ROTORS FITS THE FORD PINTO SPINDLE. 5X4.74 BOLT CIRCLE W/ 1/2 STUDS AND 5X5 BOLT CIRCLE 5/8-11 WHEEL STUD 10.13 DIAMETER .813 THICK (PAD SPACER RECOMMENDED) WEIGHT 14.8 LBS RECOMMENDED COMPONENTS: BEARING KIT USB9851-8510 INNER SEAL USB9851-8521 DUST CAP USB9851-8501 USE WITH BRACKETS AFC40122PR AND AFC40122PL