Brake Drum
| Inside Diameter New | 8.868 |
| Maximum Allowable Radial Runout | 0.004 |
| Maximum Diameter After Refinish | 8.889 |
| Discard Diameter All brake drums have a discard dimension cast into them. Replace any drum that does not meet this specification. After refinishing the drum, replace any drum that does not meet the maximum diameter or minimum thickness after refinish specification. | 8.909 |