HOT22407 / 22407 - Application Notes Hotchkis Tuning Competition Sway bars take performance to the next level. Competition bars offer the same great benefits as our sport sway bars, but use a more aggressive rear bar set to take advantage of race tires, and to achieve slight over steer. Sway bar sets include front and rear bars, end links, greasable bushings, and brackets. Front 1" (25.4 mm)Hollow +88% Rear 1" (25.4 mm) Hollow 3 Position Rear +71%, +123%, +200% Hollow VS Solid Comparison Front Bar Rate Hotchkis Hollow Bar = 880 lbs/in. Solid (7/8") = 725 lbs/in. Solid (15/16") = 955 lbs/in. Rear Bar Rate Hotchkis Hollow Bar = 350 lbs/in. Solid (15/16") = 300 lbs/in. Solid (1") = 390 lbs/in.