Minimum & Discard Thickness
| Front | Rear | |
| Diameter | 9.86 Inch (in) | 9.65 Inch (in) |
| Discard Thickness Brake drums and rotors have a discard diameter or thickness dimension cast into them. This is a wear dimension and not a refinish dimension. Any drum or rotor which does not meet the specification should be discarded. | 0.625 Inch (in) | 0.35 Inch (in) |
| Lateral Runout | 0.0024 Inch (in) | 0.0024 Inch (in) |
| Minimum Thickness After Refinish | 0.633 Inch (in) | 0.37 Inch (in) |
| New Thickness (Nominal) | 0.71 Inch (in) | 0.44 Inch (in) |
| Thickness Variation | 0.0005 Inch (in) | 0.0005 Inch (in) |