1.5-2 Inch Leveling Kit | Chevy/GMC 2500HD/3500HD (20-25) Get a killer, level look for your vehicle with Rough Country 1.5-2-inch Torsion Key Leveling Kit for 2020 GM HD Trucks. This easy-to-install leveling kit raises the front of your truck to be level with the rear, providing increased ground clearance for larger wheels and tires and aggressive, good looks. This kit includes a set of forged torsion bar keys, engineered to be considerably stronger than the stock torsion keys or cast steel aftermarket parts. These durable, forged torsions keys feature a corrosion resistant powder coat to withstand the elements and install easily, with no cutting or drilling required. A set of optional N3 Nitrogen-charged shock absorbers offer 10-stage variable valving and incredible performance for on or off-road driving! Best of all, this kit features a Lifetime Replacement Guarantee 9594