The Brembo GT rear big brake kit for Ford Mustang GT, V6 and EcoBoost (2015-2023) fits rear applications with four-piston cast calipers and 380×28 mm two-piece rotors in a black drilled finish. This rear kit matches four-piston hardware to 2pc drilled rotors sized for the listed Mustang rear applications, offering a factory-matched rear braking upgrade.
Brembo 15-23 Mustang GT/V6/EcoBoost Rear GT BBK 4 Piston Cast 380x28 2pc Rotor Drilled-Black