SuperPro 30mm Front Heavy Duty Non Adjustable Sway Bar Kit | 1998 - 2001 Lexus GS300 (RC0056F-30)Superpro SuperPro 30mm Front Heavy Duty Non Adjustable Sway Bar Kit 19982001 Lexus GS300 3. 0L Part #: RC0056F 30 Overview The SuperPro 30mm Front Heavy Duty Non Adjustable Sway Bar Kit is designed to enhance the handling and stability of your Lexus GS300 from 1998 to 2001. This high performance upgrade replaces worn or rubber sway bar mount bushes, which are critical components in maintaining optimal sway bar function. Over time, factory rubber