Brand New Wilwood Forged Dynalite Pro Brake Kit Featuring 12.19" Drilled Rotors with Black Calipers For Both Rear Wheels (Part # WIL 140-2113-BD). Only one side pictured. See the list, the diagram, & the assembly booklet for the details of the parts included. Compatible with: Small Ford Rear End Axle Flange with 2.66 Axle Offset (See Diagram) FDL Pro-Series rear disc brake kits provide a complete solution for popular muscle car rear axles on applications where individual wheel parking brake assemblies are not required. Forged billet Dynalite four piston calipers, two-piece hat and rotor assemblies, and high friction pads provide optimized and balanced braking for all types of off-road, competition, and other customized applications. FDL calipers can be optioned with a full range of finishes to reflect personalized style. Rotor choices provide options for high-tech show winning style, or heavy weight durability and cooling capacity for high heat competition. This kit require at least 15" diameter wheels. Kit includes parts for both rear wheels: 4 Piston Dynalite Calipers 0.81" Thick x 12.19" O.D. Rotors BP-10 Compound Brake Pads Rotor Hat All brackets, bolts, washers, shims, and nuts necessary to install the kit. Complete kit weighs approximately 36 lbs. You can view and download the assembly/instruction booklet here.