The Brembo GT big brake kit for 2005–2011 SLK55 AMG and 2006–2009 CLK63 AMG is a rear-axle kit featuring cast four‑piston calipers and two‑piece 345×28 mm slotted Type 3 rotors in red. Specified for the rear of the listed AMG models, the source description lists the 4‑piston calipers, two‑piece rotor construction, rotor size and the Type 3 slotted pattern along with the red finish.
Brembo 05-11 SLK55 AMG/06-09 CLK63 AMG Rr GT BBK 4 Pist Cast 2pc 345x28 2pc Rotor Slotted Type3-Red