Whether you’re preparing your truck for towing, off-roading, or daily driving, a leveling kit for your GM 2500HD/3500HD can significantly boost both its capability and appearance. These kits are designed to correct the factory suspension rake by leveling the front and rear, enhancing both style and functionality. Critical components such as coil springs and shocks, provide additional lift while improving handling on and off the road. Upgrade your GM 2500HD/3500HD with our selection of leveling kits from Alligator Performance for a fresh look and enhanced performance. Pair your new leveling kit with our selection of Wheels & Tires and Suspension Components!GM Duramax Fitments: 2006, 2007 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.