Whiteline W83478 Radius Arm Bushing Kit - Front Fits Lexus IS300 01-05Whiteline W83478 01 05 Lexus IS300 Radius Arm Lower Bushing Kit Features California Proposition 65 WARNING: This product may contain chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to ww. P65Warnings. ca. gov Radius Arm To Chassis Bushing Lower front bushings absorb most of the loads under braking resulting in severe wear and reduced braking efficiency over time.