Hellwig's new Big Wig series of rear anti-roll bars increases cornering traction, handling, and stability for heavy-duty trucks with a high center of gravity. The bars are made of 1-5/6-inch-diameter chromoly steel, and they come with heavy-gauge mounting hardware and polyurethane bushings that improve handling. Applications are available for Ford F-Series Super Duty, Chevy Silverado/GMC Sierra HD, and Ram Heavy Duty. MSRP: $473.