Disc Brake Component Specifications

Front Brakes JD9
Rotor Discard Thickness 27.50 mm (1.0826 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 in)
Rotor Thickness (new) 30.0 mm (1.181 in)
Front Brakes JH6
Rotor Discard Thickness 36.50 mm (1.437 in)
Rotor Minimum Allowable Thickness After Refinish 37.0 mm (1.457 in)
Rotor Thickness (new) 38.0 mm (1.496 in)
Rear Brakes JD9
Rotor Discard Thickness 18.0 mm (0.709 in)
Rotor Minimum Allowable Thickness After Refinish 18.5 mm (0.7282 in)
Rotor Thickness (new) 20.0 mm (0.787 in)
Rear Brakes JH6
Rotor Discard Thickness 27.5 mm (1.083 in)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 in)
Rotor Thickness (new) 30.0 mm (1.181 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 thickness specifications.