The Brembo rear GT Big Brake Kit matches cast 4‑piston calipers with two-piece 345×28 mm slotted rotors in a Type 1 pattern painted red to improve cooling and braking consistency under load. It installs as a rear direct-replacement upgrade. This kit is specified for 1991–1994 964 Turbo and 3.6 Turbo applications as noted in the source fitment.
Brembo 91-94 964 Turbo/3.6 Turbo Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-1-Red