Disc Brake Specifications

DISC BRAKE SPECIFICATIONS

Application

In. (mm)

Lateral Runout

.004 (.10)

Parallelism

.0005 (.013)

Original Thickness

11.57" Rotor

1.25 (31.8)

12.50" Rotor

1.26 (32.0)

12.50" Rotor

1.50 (38.1)

13.75" Rotor

1.54 (39.1)

14.25" Rotor

1.54 (39.1)

Minimum Refinish Thickness ⁽¹⁾

11.57 X 1.25" Rotor

1.230 (31.24)

12.50 X 1.26" Rotor

1.230 (31.24)

12.50 X 1.50" Rotor

1.480 (37.59)

13.75 X 1.54" Rotor

1.480 (37.59)

14.25 X 1.54" Rotor

1.480 (37.59)

Discard Thickness

11.57 X 1.25" Rotor

1.215 (30.86)

12.50 X 1.26" Rotor

1.215 (30.86)

12.50 X 1.50" Rotor

1.465 (37.21)

13.75 X 1.54" Rotor

1.465 (37.21)

14.25 X 1.54" Rotor

1.465 (37.21)

⁽¹⁾	Use specification stamped on rotor (if available).

Fig 1: Rear Disc Brake Specifications

Courtesy of GENERAL MOTORS CORP.

Fig 2: Rotor Thickness Specifications (Rear Disc Brakes)

Courtesy of GENERAL MOTORS CORP.

Fig 3: Bendix Caliper Replacement Key Specifications

Courtesy of GENERAL MOTORS CORP.