Brembo race big brake kit for 2005–2021 WRX STI front applications. The front BBK includes six forged pistons and two-piece 355x35 rotors with Type3 faces in black with HA treatment. Specified for front axle use, it pairs forged six-piston calipers with two-piece 355x35 rotors to meet the demands of aggressive street or track driving on compatible WRX STI models.
Brembo 5-21 WRX STi Fr Race BBK 6Pis Forged 2pc355x35x53a 2pc Rotor T3-Black HA