Caliper Bore Diameter

63.5 mm

2.500 in

Master Cylinder Bore

25.4 mm

1.000 in

Rotor Diameter

278.0 mm

10.945 in

Rotor Discard Thickness *

30.7 mm

1.21 in

Rotor Maximum Lateral Runout

0.06 mm

0.002 in

Rotor Maximum Scoring

1.50 mm

0.060 in

Rotor Maximum Thickness Variation

0.025 mm

0.001 in

Rotor Minimum Thickness After Refinish

31.08 mm

1.22 in

Rotor Minimum Wear Stock

0.38 mm

0.015 in

Rotor Thickness - New

32.2 mm

1.27 in

* A discard dimension is cast into all brake rotors. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the maximum or minimum thickness after refinish specifications.