Brembo race big brake kit for 2005–2021 WRX STI front applications. This front BBK features six forged pistons and two-piece 355x35 rotors with Type3 surfaces finished in black with HA. Designed as a front axle upgrade, the kit pairs forged six-piston calipers with two-piece 355x35 rotors to serve high-duty street or track requirements on supported WRX STI vehicles.
Brembo 5-21 WRX STi Fr Race BBK 6Pis Forged 2pc355x35x53a 2pc Rotor T3-Black HA