The Brembo big brake kit for 1978–1979 930 front applications includes six-piston cast calipers matched to 355×32mm two-piece slotted rotors in black. Specified as a front GTS BBK, the package combines multi-piston calipers and two-piece slotted rotors to replace stock front components with larger, factory-replacement-style hardware suited to demanding use.
Brembo 78-79 930 Front GTS BBK 6 Piston Cast 355x32 2pc Rotor Slotted Type-3-Black HA