Brake Drum - Rear, 10" x 2.5", 66-75 Ford Bronco

New Rear Brake Drum for 1966 thru 1975 Ford Broncos. Rear Drum should measure 10 inches inside diameter x 2.5 inches in depth. If you have not removed your brake drums, you can also check the stamping number on your factory backing plate. For this drum setup, the backing plate number should be 55264 or 55265.