The Brembo big brake kit for 2009–2012 Mercedes‑Benz SL550 (R230) features six-piston billet calipers matched to two-piece 355×32 mm slotted Type-3 rotors with nickel plating. This front GTR BBK is a complete replacement intended to increase rotor mass and multi-piston clamping for more consistent stopping under heavy use; it lists direct fitment for the SL550 R230 model years 2009–2012.
Brembo 09-12 SL550 (R230) Front GTR BBK 6 Piston Billet 355x32 2pc Rotor Slotted Type3- Nickel