7 Inch Lift Kit | Torsion Drop | Chevrolet Silverado/GMC Sierra 2500HD/3500HD | 2020-2022 | Rough Country | 11730Ultimate Upgrade. Give your GM 2500HD 3500HD an unbeatable stance and better ride quality with Rough Country's 7 inch Lift Kit with Torsion Drop. This kit is a unique offering of suspension lifts, delivering the desired torsion drop look and ride you want while still offering unmatched ground clearance. The Torsion Drop brackets are designed to ensure that your vehicles track width is not widened and allows you to maintain the factory feel of handling