Grand Cherokee 4WD V8-4.7L Flex Fuel (2009)
Brake Rotor/Disc: Specifications
Front Disc Brake Rotor Diameter..............................................................................................................................................................328 mm (12.91 in.).
Front Disc Brake Rotor Max. Runout.......................................................................................................................................................0.05 mm (0.002 in.).
Front Disc Brake Rotor Max. Thickness Variation............................................................................................................................0.009 mm (0.00035 in.).
Front Disc Brake Rotor Min. Thickness...................................................................................................................................................28.5 mm (1.122 in.).
Rear Disc Brake Rotor Diameter.................................................................................................................................................................320 mm (12.6 in.).
Rear Disc Brake Rotor Diameter SRT8....................................................................................................................................................350 mm (13.77 in.).
Rear Disc Brake Rotor Max. Runout....................................................................................................................................................0.02 mm (0.00079 in.).
Rear Disc Brake Rotor Max. Runout SRT8.............................................................................................................................................0.05 mm (0.002 in.).
Rear Disc Brake Rotor Max. Thickness Variation.............................................................................................................................0.009 mm (0.00035 in.).
Rear Disc Brake Rotor Max. Thickness Variation SRT8...................................................................................................................0.009 mm (0.00035 in.).
Rear Disc Brake Rotor Min. Thickness....................................................................................................................................................12.5 mm (0.492 in.).
Rear Disc Brake Rotor Drum Max. Diameter............................................................................................................................................206.5mm (8.13 in.)
Rear Disc Brake Rotor Drum Max. Diameter SRT8..................................................................................................................................206.5mm (8.13 in.)
