Disc Brake Specifications
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1991 Pontiac Grand Prix, 1991 Oldsmobile Cutlass Supreme, 1991 Chevrolet Lumina, 1991 Buick Regal, and 1990 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
DISC BRAKE ROTOR SPECIFICATIONS
| Application | In. (mm) | |
|---|---|---|
| Front Rotors | ||
| Disc Diameter | 10.50 (267) | |
| Lateral Runout | .003 (.08) | |
| Parallelism | .0005 (.013) | |
| Original Thickness | 1.04 (26.3) | |
| Minimum Refinish Thickness | .984 (25.0) | |
| Discard Thickness | .972 (24.7) | |
| Rear Rotors | ||
| Disc Diameter | 10.10 (256.5) | |
| Lateral Runout | .003 (.08) | |
| Parallelism | .0005 (.013) | |
| Original Thickness | .492 (12.5) | |
| Minimum Refinish Thickness | .441 (11.2) | |
| Discard Thickness | .429 (10.9) | |
| Master Cylinder Bore Diameter | .945 (24.0) | |