The OTC 7822A is a GM Torsion Bar Unloading Tool. The OTC 7822A rugged tool is built for GM’s K-3500 series trucks with heavy-duty chassis and a larger torsion bar. It features a larger C-frame opening to accommodate beefier torsion bars. The tool holds the torsion bar while making adjustments. It also works on 1988 to 2003 GMC and Chevrolet 1/2, 3/4 and 1-ton pickups, the S-10 Blazer and S-15 Jimmy, 4WD pickups with 4.3L V-6 engines and 1991 to 2001 Oldsmobile Bravada.