Brake Rotor/Disc
| <Front> | Nominal Thickness | 0.87 Inch (in) |
| Minimum Thickness | 0.81 Inch (in) | |
| Thickness Variation (Parallelism) | .0005 Inch (in) Note: 1984-87 LTD & Marquis, .0003. | |
| Run Out (TIR) | 0.003 Inch (in) | |
| Finish | 15-125 Micro-Inches (micro-in) Note: 1984-87, 10-81 micro in. |