1974-78 Mustang II & Pinto Rotors From Outlaw Performance #SR-DR-25 Chevy rotor bolt circle 4-3/4” / pr Quantity:   Only  $139.95    #SR-DR-110 Ford rotor bolt circle 4-1/2” / pr Quantity:   Only  $139.95    Here are some other items you may be interested in: Mustang II Seal and Bearing Kit