Manufactured by Belltech | 3919 | 2001-10 Silverado/Sierra 1500HD/2500/3500 4WD lowering torsion bar keys, 01-10 Chevrolet Silverado/Sierra (1500HD, 2500HD, 3500HD, 4WD) with 8 lug wheels torsion bar lowering keys, Looking to level your Torsion Bar frontend Sport Truck or SUV, well look no further, Belltech Torsion Bar Keys have you covered. By re-indexing the center section of the Torsion bar key, your ride height is changed simply and effectively with Belltech Torsion Bar Keys. Belltech’s unique and industry first “broached” torsion bar keys are a direct OEM replacement and allow you the simplicity of raising your torsion bar equipped Sport Truck or SUV approximately 1 to 3 inches, without sacrificing the overall ride quality. All Belltech Torsion Bar Keys are cast from high strength ductile iron and come powder coated for a lasting finish. Product information updated on 2024-07-04. This product can ship by Small Parcel