Caliper Bore Diameter

64 mm

2.52 in

Discard Thickness. All brake drums and rotors have a discard dimension cast into them. This is a wear dimension and not a refinish dimension. Any drum or rotor which does not meet the specification should be replaced.

30.70 mm

1.209 in

Lateral Runout

0.060 mm

0.002 in

Mimimum Thickness after Refinish

31.08 mm

1.224 in

Rotor Diameter

278.00 mm

10.945 in

Rotor Thickness (Maximum)

32.00 mm

1.260 in

Thickness Variation

0.025 mm

0.001 in