Brake Drum Specifications
Rear Drum Brake
With 10" x 2 1/2 Brakes - 71mm Diameter Center Hole
Maximum Diameter 10.060" in. ( 255.52 mm. )
With 9" Brakes
Maximum Diameter 9.060" in. ( 230.12 mm. )
With Heavy Duty Suspension & 10" Brakes
Maximum Diameter 10.091" in. ( 256.30 mm. )