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For 1990-2009 cars only

Disc Brake Component Specifications J55

Application

Specification

Metric

English

Front Brake Pads

  • Taper

0.15 mm

0.006 in

Front Brake Rotors

  • Rotor Diameter

330.0 mm

12.99 in

  • Rotor Discard Thickness

36.0 mm

1.417 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.05 mm

0.002 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Minimum Allowable Thickness after Refinishing

37.0 mm

1.457 in

  • Rotor Thickness (New)

38.0 mm

1.496 in

Rear Brake Pads

  • Taper

0.15 mm

0.006 in

Rear Brake Rotors

  • Rotor Diameter

325.0 mm

12.79 in

  • Rotor Discard Thickness

18.50 mm

0.728 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.05 mm

0.002 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Minimum Allowable Thickness after Refinishing

19.0 mm

0.748 in

  • Rotor Thickness (New)

20.0 mm

0.787 in

* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specification.

Disc Brake Component Specifications JL9

Application

Specification

Metric

English

Front Brake Pads

  • Taper

0.15 mm

0.006 in

Front Brake Rotors

Rotor Diameter

323.0 mm

12.72 in

Rotor Minimum Thickness

28.6 mm

1.126 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.06 mm

0.002 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Thickness

30.0 mm

1.181 in

Rear Brake Pads

  • Taper

0.15 mm

0.006 in

Rear Brake Rotors

  • Rotor Diameter

292.00 mm

11.50 in

  • Rotor MinimumThickness

10.5 mm

0.413 in

  • Rotor Maximum Allowable Assembled Lateral Runout

0.06 mm

0.002 in

  • Rotor Maximum Allowable Scoring

1.50 mm

0.059 in

  • Rotor Maximum Allowable Thickness Variation

0.025 mm

0.001 in

  • Rotor Thickness

12.00 mm

0.472 in

* All brake rotors have a minimum thickness dimension cast into them. Replace any rotor that is worn or machined below this specification.