The Brembo GT front big brake kit for 2000–2005 IS300 applications features four-piston cast calipers with two-piece 328x28 mm drilled rotors in silver, providing firmer braking feel for upgraded use. Rotor size and caliper configuration are listed for the IS300 fitment, and the drilled rotors support thermal control during sustained or repeated stops to help preserve pedal consistency.
Brembo 00-05 IS300 Front GT BBK 4 Piston Cast 2pc 328x28 2pc Rotor Drilled-Silver