The Brembo rear GT big brake kit for 2012–2020 Lexus GS350 upgrades the rear with a four-piston cast caliper and a 345×28 mm two-piece slotted rotor (Type 3) finished in yellow. Built for the GS350 years listed, this rear-specific assembly pairs multi-piston clamping with a two-piece rotor to aid thermal control and deliver steadier braking under repeated or demanding stops.
Brembo 12-20 GS350 Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type3- Yellow