DBA 5000 Series flat discs are designed specifically to replace just the rotor ring in DBA and other popular two-piece rotor configurations. They are available in multiple slot, drill, and dimple designs and various vent designs as well.
DBA 05-10 Ford Mustang GT Front 5000 Series Drilled & Slotted Ring
5000 Series Drilled/Slotted Replacement Rotor
5000 Series, Drilled/Slotted Rep Rotor
5000 Series Repl Rot
Disc Brake Rotor