Wilwood rear brake kit Ford 9"

Wilwood Dynalite Pro series rear disk with parking brake kit for Ford 9" with large new style ends. Part # 140-7140
Paid $650 plus. I only mounted it never used it. Wouldn't fit my rims I had custom made. Summit wouldn't take a return . My loss is your gain. PRICE dropped to $400 plus you pay shipping. Price is firm. That's the lowest I'll go.
I included some specs below:
Product Line:Wilwood Dynalite Pro Series Rear Disc Parking Brake Kits
Summit Racing Part Number:WIL-140-7140
Position: Rear
Front Rotor Included: No
Rear Rotor Included: Yes
Rear Rotor Style: Solid surface
Rear Rotor Construction: Vented
Rear Rotor Diameter: 12.19 in./309.63mm
Rear Rotor Thickness (in): 0.810 in.
Front Caliper Included: No
Rear Caliper Included: Yes
Rear Caliper Piston Quantity: Four
Rear Caliper Material: Forged billet aluminum
Rear Caliper Finish: Platinum powdercoated
Parking Brake Provision: Yes
Parking Brake Style: Internal drum
Offset (in): 2.500 in.
Front Spindles Included: No
Master Cylinder Included: No
Brake Booster Included: No
Brake Lines Included: No
Quantity: Sold as a kit.
Do you want to get rid of your old-fashioned rear drums and upgrade to modern disc brakes without giving up the parking brake? Wilwood has the answer with their high performance Dynalite Pro series disc rear parking brake kits. They combine forged, 4-piston, billet Dynalite calipers and big solid or vented iron rotors with integral parking brake "hats." This gives you big-time stopping power and still maintains the parking function. These kits also include preassembled parking brake mechanisms, PolyMatrix brake pads, mounting brackets, and all necessary installation hardware.