GIRODISC D2-322 Kit Zminnykh Kilets Zadnikh Halmivnykh Dyskiv For BMW M2 (G87)/M3 (G80)/M4 (G82)

Replacement rings are sold in pairs and include all necessary hardware for installation. The only parts that will be reused are your existing GiroDisc hats.

The rotor rings are manufactured from a proprietary high-carbon cast iron casting to GiroDisc specifications. This superior manufacturing technology provides improved rotor strength, and the curved vanes act as a centrifugal pump, pulling air through the hub to effectively cool the rotors during aggressive use.