Disc Brake Component Specifications

Application	Specification
Application	Metric	English
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
Rotor Maximum Allowable Lateral Runout	0.05 mm	0.001 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.009 mm	0.0004 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
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 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
Rotor Maximum Allowable Lateral Runout	0.25 mm	0.010 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.009 mm	0.0004 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
Rotor Maximum Allowable Lateral Runout	0.13 mm	0.005 in
Rotor Maximum Allowable Scoring	1.50 mm	0.059 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 in
Rotor Maximum Allowable Thickness Variation	0.025 mm	0.001 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.