OTC (7822A) GM torsion Bar Unloading tool This rugged tool is built for GM's K-3500 series trucks with heavy-duty chassis and a larger torsion bar Features a larger C-frame opening to accommodate beefier torsion bars Tool holds the torsion bar while you make adjustments 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