The GiroDisc 380mm slotted rear rotor for 2015–2021 McLaren 540C/570GT (with spacers, without CCM) is a replacement slotted rear rotor sized and specified for those McLaren applications. It is produced to work with spacer setups and not compatible with CCM-equipped cars. Verify whether your 540C or 570GT uses CCM before ordering to ensure proper rear rotor fitment.
GiroDisc 15-21 McLaren 540C/570GT (w/Spacers w/o CCM) 380mm Slotted Rear Rotors