Hotchkis Sport Suspension Hotchkis Sport Suspension Sway bars improve the handling and reduce body roll of your Lexus IS300. Turn in with confidence and late brake in the corners with the track tested lightweight hollow sway bars. The sway bar sets include front and rear bars, greasable bushings, and brackets. Front 1 1/4 inch (32mm) Hollow2 Position Adjustable +56 percent, +61 percent. Rear 3/4 inch (19mm)Chromoly Hollow2 Position Adjustable +144 percent, +227 percent.