The Brembo GT big brake kit for 1978–1979 930 and 1980–1989 930 rear pairs four‑piston cast calipers with two‑piece 345×28 mm rotors supplied as a rear set. It uses drilled rotors in a silver finish and is sized specifically for the listed 930 rear applications, providing a complete brake package tailored to those years.
Brembo 78-79 930/80-89 930 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Drilled-Silver