Brake Rotor/Disc

Minimum Front Rotor Thickness(2500 and 3500) 37.4 mm (1.47 in.)
Minimum Front Rotor Thickness(4500 and 5500) 37.4 mm (1.47 in.)

Minimum Rear Rotor Thickness(2500 and 3500) 32.4 mm (1.27 in.)
Minimum Rear Rotor Thickness(4500 and 5500) 37.4 mm (1.47 in.)

Max. Runout, Front/Rear Disc Brake Rotor(2500 and 3500 SRW) 0.025 mm (0.0009 in.)
Max. Runout, Front/Rear Disc Brake Rotor(4500 and 5500 DRW) 0.131 mm (0.005 in.)
Max. Runout, Rear Disc Brake Rotor(2500 and 3500 DRW) 0.025 mm (0.0009 in.)

Max.Thickness Variation,Front/Rear Disc Brake Rotor(2500 and 3500) 0.010 mm (0.00039 in.) loose Rotor
Max.Thickness Variation,Front/Rear Disc Brake Rotor(4500 and 5500) 0.010 mm (0.00039 in.) loose Rotor