Brembo pistarace big brake kit for 2005–2021 WRX STI front applications. This race-oriented front BBK features six forged pistons and two-piece 355x35 rotors with Type3 surfaces in black with HA treatment. Built for front installation, the assembly combines forged six-piston calipers and two-piece 355x35 rotors intended for high-duty street or track use on supported WRX STI models.
Brembo 5-21 WRX STi PISTA Fr Race BBK 6Pis Forged 2pc355x35x53a 2pc Rotor T3-Black HA