The Belltech adjustable torsion bar key for 2001–2010 Chevrolet Silverado 1500HD/2500HD/3500HD models replaces the OEM key to provide a simple, trouble-free way to lower or level a torsion-bar equipped IFS truck. High-strength ductile iron casting is broached to retain spring rate, then E-coated for corrosion resistance. Sold as pairs, adjustable for about 1–3 inches of change and covered by a lifetime warranty.
Belltech 01-10 Chevrolet Silverado 1500HD / 2500HD / 3500HD 1in-3in Lift Torsion Bar Key