The Brembo GT big brake kit for 1999–2004 Porsche 996 is a rear brake upgrade that combines four‑piston cast calipers with two‑piece rotors. It includes 4‑piston calipers and 345×28 mm two‑piece slotted Type‑3 rotors in a black finish, supplied as a direct replacement rear assembly for the specified 996 applications.
Brembo 99-04 996 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type3-Black