System Specifications
| Rear Drum Brakes | JM3 | 9.5 X 2 in. |
| Backing Plate Mounting Bolts | 35 ft. lbs. | |
| Bleeder Valve | 62 inch lbs. | |
| Rear Brake Pipe Fitting | 16 ft. lbs. | |
| Wheel Cylinder Mounting Bolts | 13 ft. lbs. | |
| Discard Diameter | 8.909 inch | |
| Maximum Allowable Diameter After Resurfacing | 8.909 inch | |
| Maximum Allowable Radial Runout | 0.006 inch | |
| Maximum Allowable Scoring | 0.06 inch | |
| Original Drum Diameter | 9.5 in. | |
| Maximum After Refinish | 9.56 in. | |
| Replacement Discard | 9.59 in. | |
| Maximum Out-of-Round or Taper | 0.006 in. |