The Hellwig 1-1/4" rear sway bar for 2007–2010 GM 2500/3500 HD diesel (including dually) with a 4–6" lift is a solid, heat-treated chromoly bar built to increase rear stiffness and reduce body roll. Designed for heavy towing and load conditions, the larger-than-stock diameter enhances stability and ride control. Installation may require drilling; the kit carries a Limited Lifetime Warranty.
Hellwig 07-10 GMC Sierra 2500 HD w/ 4-6in Lift Solid Heat Treated Chromoly 1-1/4in Rear Sway Bar