Disc Brake Component Specifications
| Front Brakes JC5/JH5 All | Rotor Discard Thickness | 1.083 inch |
| Rotor Minimum Allowable Thickness After Refinish | 1.102 inch | |
| Rotor Thickness-new | 1.142 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch | |
| Front Brakes JH6 | Rotor Discard Thickness* 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 specifications. | 1.437 inch |
| Rotor Minimum Allowable Thickness After Refinish | 1.457 inch | |
| Rotor Thickness-new | 1.496 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch | |
| Front Brakes JH7 | Rotor Discard Thickness* 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 specifications. | 1.437 inch |
| Rotor Minimum Allowable Thickness After Refinish | 1.467 inch | |
| Rotor Thickness-new | 1.496 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch | |
| Rear Brakes JC5/JH5 Pickup Only | Rotor Discard Thickness* 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 specifications. | 0.728 inch |
| Rotor Minimum Allowable Thickness After Refinish | 0.748 inch | |
| Rotor Thickness-new | 0.787 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch | |
| Rear Brakes JH6 | Rotor Discard Thickness* 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 specifications. | 1.083 inch |
| Rotor Minimum Allowable Thickness After Refinish | 1.102 inch | |
| Rotor Thickness-new | 1.142 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch | |
| Rear Brakes JH7 | Rotor Discard Thickness* 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 specifications. | 1.122 inch |
| Rotor Minimum Allowable Thickness After Refinish | 1.142 inch | |
| Rotor Thickness-new | 1.181 inch | |
| Rotor Maximum Allowable Lateral Runout | 0.002 inch | |
| Rotor Maximum Allowable Scoring | 0.059 inch | |
| Rotor Maximum Allowable Thickness Variation | 0.001 inch |