Brake Rotor/Disc

Front Brakes JC3/JC4
Rotor Discard Thickness 27.50 mm (1.083 inch)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 inch)
Rotor Thickness (new) 29.0 mm (1.142 inch)
Rotor Maximum Allowable Lateral Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Front Brakes JH2 Rotor Discard Thickness 27.50 mm (1.083 inch)
Rotor Minimum Allowable Thickness After Refinish 28.0 mm (1.102 inch)
Rotor Thickness (new) 29.0 mm (1.142 inch)
Rotor Maximum Allowable Lateral Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Front Brakes JH6 Rotor Discard Thickness 36.50 mm (1.437 inch)
Rotor Minimum Allowable Thickness After Refinish 37.0 mm (1.457 inch)
Rotor Thickness (new) 38.0 mm (1.496 inch)
Rotor Maximum Allowable Lateral Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Rear Brakes JC4
Rotor Discard Thickness 78.5 mm (1.122 inch)
Rotor Minimum Allowable Thickness After Refinish 29.0 mm (1.142 inch)
Rotor Thickness (new) 30.0 mm (1.181 inch)
Rotor Maximum Allowable Lateral Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Rear Brakes JH2
Rotor Discard Thickness 28.5 mm (1.122 inch)
Rotor Minimum Allowable Thickness After Refinish 29.0 mm (1.142 inch)
Rotor Thickness (new) 30.0 mm (1.181 inch)
Rotor Maximum Allowable Literal Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Rear Brakes JH6
Rotor Discard Thickness 27.5 mm (1.083 inch)
Rotor Minimum Allowable Thickness After Refinish 28 0 mm (1.102 inch)
Rotor Thickness (new) 29.0 mm (1.142 inch)
Rotor Maximum Allowable Lateral Runout 0.13 mm (0.005 inch)
Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)

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.