Brake Drum: Specifications

Max Drum Diameter

W/ 10x2 1/2" Brake, W/ 71 mm Dia. center hole 10.0598 inch (255.52mm)

W/ Heavy Duty Suspension W/ 10" brakes 10.0906 inch (256.30mm)

W/ 9x1 3/4" brake, W/ 5 mounting holes 9.0598 (230.12mm)