Drum Brake System
Brake Drums 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. | Discard Diameter | 8.909 Inch (in) |
Inside Diameter | 7.84 - 7.890 Inch (in) | |
Maximum Re-bore Diameter | 8.879 Inch (in) | |
Runout | 0.006 Inch (in) | |
Maximum Scoring | 0.06 Inch (in) |