The Brembo GT big-brake kit for 2015–2023 Ford Mustang GT (S550) front application uses 6‑piston cast calipers with 405×34 mm two‑piece slotted Type‑1 rotors in silver. Specified for the S550 Mustang GT, the kit combines larger calipers and two‑piece slotted rotors to increase front braking capability and simplify rotor maintenance while aligning with the listed model years and application.
Brembo 15-23 Mustang GT (S550) Front GT BBK 6 Piston Cast 405x34 2pc Rotor Slotted Type-1-Silver