Brake Drum: Specifications
Drum Diameter| New | Maximum | ||||
| Rear Wheel Drive | 1982-84 | Cadillac Brougham & Deville | 11.0 Inch (in) | 11.09 Inch (in) | |
| 1982-86 | Exc. Chevette & 1000 | 4 3/4 Bolt Circle | 9.5 Inch (in) | 9.59 Inch (in) | |
| 5 bolt circle | 11.0 Inch (in) | 11.09 Inch (in) | |||
| Chevette & 1000 | 7.88 Inch (in) | 7.97 Inch (in) | |||
| 1985-87 | Cadillac Brougham | 11.0 Inch (in) | 11.09 Inch (in) | ||
| Front Wheel Drive | 1982-85 | Citation | 7.87 Inch (in) | 7.96 Inch (in) | |
| Omega | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Phoenix | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Riviera | 9.50 Inch (in) | 9.59 Inch (in) | |||
| Skylark | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Toronado | 9.50 Inch (in) | 9.59 Inch (in) | |||
| 1982-87 | Cavalier | 7.87 Inch (in) | 7.96 Inch (in) | ||
| Celebrity | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Century | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Cimarron | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Cutlass Ciera | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Cutlass Cruiser | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Firenza | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Skyhawk | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Sunbird/2000 | 7.87 Inch (in) | 7.96 Inch (in) | |||
| 6000 | 8.86 Inch (in) | 8.95 Inch (in) | |||
| 1985-87 | Calais | 7.87 Inch (in) | 7.96 Inch (in) | ||
| DeVille & Fleetwood | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Electra & Park Avenue | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Grand Am | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Ninety-Eight | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Nova | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Somerset | 7.87 Inch (in) | 7.96 Inch (in) | |||
| Somerset Regal | 7.87 Inch (in) | 7.96 Inch (in) | |||
| 1986-87 | LeSabre | 8.86 Inch (in) | 8.95 Inch (in) | ||
| Eighty-Eight | 8.86 Inch (in) | 8.95 Inch (in) | |||
| Skylark | 7.87 Inch (in) | 7.96 Inch (in) |