Brake Rotor

Note: This article has been updated with information contained in GM bulletin #05-05-23-004, dated June 17, 2005.

Front
Discard Thickness 1.21 in
Minimum Thickness (after machining)
1.22 in
Minimum Wear Stock 0.039 in
Rotor Thickness (New) 1.27 in
Max Lateral Runout 0.003 in
Maximum Scoring 0.059 in
Rotor Diameter 10.945 in
Thickness Variation 0.0005 in

Rear
Discard Thickness 0.35 in
Minimum Thickness (after machining)
0.39 in
Minimum Wear Stock 0.06 in
Rotor Thickness (New) 0.43 in