The Brembo GT rear big brake kit for 2006–2009 Porsche 997.1 GT3 rear applications pairs four‑piston cast calipers with 380×28 mm two‑piece rotors as a direct rear upgrade. This catalog variant specifies drilled rotors and a fluorescent yellow caliper finish, matching the rotor pattern and color detailed in the product description.
Brembo 06-09 997.1 GT3 Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Fluo. Yellow