The Brembo big brake kit for 2003–2008 SL500 front applications includes six-piston cast calipers and 355×32mm two-piece slotted rotors in a Type‑1 black finish. Specified as a front GTS BBK, the package provides the rotor size and multi-piston calipers noted in the description to replace factory front hardware with the larger two-piece rotor and caliper assembly.
Brembo 03-08 SL500 Front GTS BBK 6 Piston Cast 355x32 2pc Rotor Slotted Type1-Black HA