Drum Brake System
| Inside Diameter | 8.900 Inch (in) |
| Maximum Runout | 0.006 Inch (in) |
| Maximum Re-bore Diameter | 8.909 Inch (in) |
| Discard Diameter All brake drums and rotors have a discard 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 replaced. | 8.909 Inch (in) |
| Maximum Refinish Diameter | 8.879 Inch (in) |
| Maximum Scoring | 0.06 Inch (in) |