The Brembo GT big brake kit for 2015–2023 Ford Mustang GT (S550) is a front brake upgrade with six‑piston cast calipers and two‑piece 405x34 rotors. This front GT BBK is specified with drilled rotor faces and a black caliper finish, provided as a direct‑fit front solution for the listed Mustang GT model years.
Brembo 15-23 Mustang GT (S550) Front GT BBK 6 Piston Cast 405x34 2pc Rotor Drilled-Black