The Brembo Rear GT big brake kit for 2023+ Z (RZ34) applications combines a four‑piston rear caliper with a two‑piece 380×28 mm cast rotor featuring drilled faces and a red finish. Described as a rear GT BBK, the package specifies rotor diameter, thickness and two‑piece construction to match the rear braking configuration listed for the named Z application years.
Brembo 23+ Z (RZ34) Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Red