The Brembo rear big brake kit for 2006–2009 997.1 GT3/GT3RS (excluding PCCB) applications includes a four-piston billet caliper and a 380x28 two-piece drilled nickel-plated rotor. Marketed as a GTR BBK rear assembly, this direct-fit kit installs in the stock rear locations and uses drilled rotor faces and two-piece construction to assist in heat dissipation and gas evacuation while preserving serviceability.
Brembo 06-09 997.1 GT3/GT3RS (Excl PCCB) Rr GTR BBK 4Pis Billet 380x28 2pc Rotor Drilled-Nickel