The Brembo GT big brake kit for 1980-1989 Porsche 930 is a front brake upgrade featuring six-piston cast calipers and two-piece drilled 355x32 mm rotors in a silver finish. Supplied as a front GT BBK, the kit pairs 6-piston calipers with 2pc drilled rotors to improve braking authority and heat dissipation for the listed 930 model years.
Brembo 80-89 930 Front GT BBK 6 Piston Cast 355x32 2pc Rotor Drilled-Silver