Drum Brake Specifications
| 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) |
| Inside Diameter | 8.863 Inch (in) |
| Runout | 0.006 Inch (in) |
| Maximum Refinish Diameter | 8.92 Inch (in) |