The 2006-2007 GM 6.6L Duramax LML can benefit from a few extra inches of lift. At Alligator Performance, we offer a selection of torsion key leveling kits that provide an affordable way to increase ground clearance for your GM 2500HD/3500HD. These torsion keys replace your factory keys for a straightforward, bolt-on upgrade that you can easily install at home. Many of our torsion keys are fully adjustable, allowing you to set your desired ride height for that custom look you’ve always wanted. Best of all, these kits won’t significantly impact your truck's ride quality or comfort, ensuring a smooth street ride without compromise. Check out our selection of Lift Kits for a full suspension overhaul! 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.