The Brembo rear GT big brake kit for 2001–2004 996 C4S applications pairs a four‑piston cast caliper with a 380×28 mm two‑piece drilled rotor in black. Supplied as a rear brake upgrade, the kit provides larger caliper hardware and a two‑piece drilled rotor configuration specifically configured for 996 C4S rear installations and finished in black to match the vehicle's aesthetic.
Brembo 01-04 996 C4S Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Black