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The Brembo rear GTS big brake kit for 2005–2006 Porsche Boxster and 2006–2012 Cayman (as listed) installs a four‑piston cast caliper with a two‑piece 345 x 28 mm slotted Type‑1 rotor in black. Built for those Boxster/Cayman applications, the rear kit replaces stock rear components with larger calipers and slotted two‑piece rotors to enhance braking consistency and thermal capacity.
Brembo 05-1ster/06-12 Cayman Rr GTS BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type1-Black HA
