The Brembo GT big brake kit for Porsche 930 (1978–1979, and 1980–1989 930) rear applications includes a four‑piston cast caliper with two‑piece 345x28 drilled rotors in black. This direct‑fit rear assembly increases rotor size and uses drilled two‑piece rotors to aid cooling and consistent pad contact for spirited or heavy driving.
Brembo 78-79 930/80-89 930 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Drilled-Black