The Brembo rear GT big brake kit for 2003–2009 E55 AMG applications pairs four-piston cast calipers with 380×28 mm two-piece rotors featuring Type‑1 slots and a silver finish. This direct-fit rear upgrade matches cast four‑piston calipers to slotted two‑piece 380x28 mm rotors to aid pad engagement and clear rotor surfaces during repeated heavy stops, while the silver finish maintains a refined look.
Brembo 03-09 E55 AMG Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Slotted Type1-Silver