Came across these and wanted to share. Auction is no reserve and only at $399 right now. Being sold by Shelby American so I'd expect that they are in good shape.
http://www.ebay.com/itm/13-14-SHELBY-GT500-BREMBO-6-PISTON-FRONT-BRAKE-TAKEOFF-SET-w-15-ROTOR-SET-/171737559496?hash=item27fc5b31c8&vxp=mtr
http://www.ebay.com/itm/13-14-SHELBY-GT500-BREMBO-6-PISTON-FRONT-BRAKE-TAKEOFF-SET-w-15-ROTOR-SET-/171737559496?hash=item27fc5b31c8&vxp=mtr