Disc Brake Component Specifications

Caliper Bore Diameter - Front 63.5 mm 2.50 in
Caliper Bore Diameter - Rear 38.1 mm 1.50 in


Front Brake Rotors

Rotor Discard Thickness * 30.7 mm 1.21 in
Rotor Maximum Allowable Lateral Runout 0.080 mm 0.003 in
Rotor Maximum Scoring 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation 0.013 mm 0.0005 in
Rotor Minimum Allowable Thickness After Refinishing 31.08 mm 1.22 in
Rotor Thickness (new) 32.2 mm 1.27 in

Rear Brake Rotors

Rotor Discard Thickness * 9.0 mm 0.35 in
Rotor Maximum Allowable Lateral Runout 0.080 mm 0.003 in
Rotor Maximum Scoring 1.50 mm 0.059 in
Rotor Maximum Allowable Thickness Variation 0.013 mm 0.0005 in
Rotor Minimum Thickness After Refinish 10.0 mm 0.39 in

Rotor Thickness (new) 11.0 mm 0.43 in

* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum or discard thickness after refinish specifications.

The content of this article has been updated by manual update # 04-05-23-002A dated August 4, 2005 for Rotor Minimum Allowable Thickness After Refinish.