SuperPro 2003 Lexus GX470 Base Front Upper Inner Control Arm Bushing KitControl arm bushings form the vital pivot and link between all core suspension components. Worn bushings allow significant deflection and movement leading to slower Reponses, a sloppy drive, irregular and excessive tire wear and diminish every facet of the way your vehicle drives. The wear is accelerated and the impact of worn bushings is even greater in upgraded trucks and SUVs where the higher weight and impact of items like larger wheels and tires