The Brembo GT big brake kit for 2019+ Mazda3 front applications pairs a 4-piston cast caliper with two-piece 345×28 mm slotted Type-3 rotors in red. Marketed as a front, vehicle-specific kit, it specifies cast four-piston calipers and two-piece slotted rotors, providing shoppers with a concise component and fitment summary for replacing or upgrading the Mazda3 front braking system on 2019 and later models.
Brembo 19+ Mazda3 Front GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-3-Red