Brake Rotor/Disc
| <Front> | Nominal Thickness | 1.25 Inch (in) |
| Minimum Thickness | 1.18 Inch (in) | |
| Thickness Variation (Parallelism) | - Note: Integral hub & rotor, .0007 inch; separate hub & rotor, .0010 inch. | |
| Run Out (TIR) | - Note: Integral hub & rotor, .003 inch; 4 x 4 vehicles w/separate hub & rotor, .005 inch; E-350 & dual rear wheel F-350 w/separate hub & rotor,.010 inch. | |
| Finish | 15-80 Micro-Inches (micro-in) |