Description: Type: Disc Brake Kits Condition: Brand New Warranty: One Year Warranty Finish: Zinc Rotor Diameter: 11.25 Inch Caliper Finish: Natural Rotor Shape: Round Color: Natural Hardware Included: Yes Rotor Thickness: 1.00 Placement on Vehicle: Rear Rear Rotor Included: Yes Rotor Type: Vented Caliper Pistons: One Bolt Pattern: 5 on 4.5" | 4.75" Axle Flange Offset: 2.36" - 2.50" Notes: For Ford 9 Inch Rearend Bolt-On Rear Disc Brake Kit Bearing End Style: For Big Ford (Old/New) OE Number: 91031902 .