StopTech Sport Rotors is the new name for one-piece performance upgrade rotors from StopTech. Formerly known as Power Slot or SportStop rotors, StopTech Sport Rotors are still the best aftermarket performance upgrade rotors around - only the name has changed. NOTE: StopTech rotors are usually sold individually. There are separate left and right part numbers. This product listing is for a PAIR. If you only need one rotor, please contact us. For CTS-V brake swap. 5x100 pattern