Operation CHARM: Car repair manuals for everyone.

Brake Rotor/Disc

Nominal Thickness 1.020 Inch (in)
Minimum Refinish Thickness
For reference only. Always use specification found on rotor.
0.974 Inch (in)
Thickness Variation (Parallelism) 0.0003 Inch (in)
Lateral Runout (T.I.R.) 0.002 Inch (in)
Finish (Micro-Inch) 15-125 Micro-Inches (micro-in)