The Brembo GT big brake kit for 2006–2011 Lexus GS300 is a rear brake upgrade that uses four‑piston cast calipers with two‑piece rotors. This rear kit pairs 4‑piston calipers with 345×28 mm two‑piece slotted Type‑3 rotors in a red finish and is provided as a direct‑fit replacement assembly for the specified GS300 years.
Brembo 06-11 GS300 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type3-Red