The Belltech torsion bar key for 2011–2018 Chevrolet Silverado 1500HD/2500HD/3500HD models is a direct OEM-style replacement that allows simple lowering or leveling of torsion-bar equipped IFS trucks. High-strength ductile iron construction is broached to maintain factory spring rate, then E-coated for corrosion resistance. Sold in pairs and adjustable for approximately 1–3 inches of height change, with a lifetime warranty.
Belltech 11-18 Chevrolet Silverado 1500HD / 2500HD / 3500HD 1in-3in Lift Torsion Bar Key