Hotchkis Sport Suspension 2284F 2005-2013 Corvette C6/ZO6 Front Sport Sway Bar Set. Corvette C6/ZO6 Sport Sway Bar Set with a hollow tube bar that measures 1.25-inches in front and are 20% stiffer than stock in front. The lightweight hollow sway bars are formed on a CNC machine powder coated gloss black for durability and come with special high durometer dry lube impregnated rubber bushings. Stock end links are retained to maintain a quiet ride on the street. Specifications: Lightweight durable 1-1/4 in. tubular steel front sway bar 20% Stiffer than Z51 and ZO6.