Your factory sway bar falls up short when it comes to stability and control needed for heavy-duty applications. Our heavy-duty sway bars are perfectly designed to minimize body roll and enhance control, particularly when towing heavy loads. Drive your GM 2500HD/3500HD with greater confidence and stability with an aftermarket sway bar from Alligator Performance. Pair your new sway bar with our selection of upgradedSteering Components!GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.