Front
| Front | Nominal Thickness | 3300 lb. Axle | 1.25 Inch (in) |
| 4000 lb. Axle | 1.19 Inch (in) | ||
| Minimum Thickness | 3300 lb. Axle | 1.180 Inch (in) | |
| 4000 lb. Axle | 1.125 Inch (in) | ||
| Thickness Variation (Parallelism) | 0.001 Inch (in) | ||
| Run Out (TIR) | 0.005 Inch (in) | ||
| Finish | 15-80 Micro-Inches (micro-in) |