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The Hellwig 1-5/16" Big Wig rear sway bar for 2007–2010 GMC Sierra 2500 HD (including Duramax, SRW and dually) is a solid chromoly upgrade engineered for heavy-duty towing and hauling. It bolts on for a direct increase in rear stiffness and is offered with adjustable-rate options on applicable models. The bar is intended to reduce body roll and improve stability under load for HD truck applications.
Hellwig 07-10 GMC Sierra 2500 HD Solid Heat Treated Chromoly 1-5/16in Big Wig Rear Sway Bar
