RC 1.5 - 2IN GM Leveling Torsion Bar Keys (2020 2500HD/3500HD)Get a killer, level look for your vehicle with Rough Countrys 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