GIRODISC A1-307 Front Brake Rotor Kit for TOYOTA GR Supra / BMW Z4 M40i (G2

The GiroDisc two-piece rotor system is a direct replacement for your stock rotor, requiring no modifications. The disc attaches directly to the vehicle and works seamlessly with OEM calipers. Once the Girodisc system is installed, simply replace the cast iron rotor ring as needed. The average two-piece Girodisc rotor is lighter compared to stock discs. This reduction in rotor mass provides quicker acceleration and improved suspension response.