Manufactured by MaxTrac Suspension | 101320A | 2007-13 Silverado/Sierra 1500 2wd, 2014-16 Silverado/Sierra 1500 2wd with cast arms 2 inch Front Lowering Spindles - Forged aluminum, made of forged aluminum, Fits 2Wd Models W/ Cast Steel Control Arms - 18 Inch Rim Or Larger Required, MaxTrac offers lowering spindles for your several popular applications including GM Silverado and Sierra, Ford F150 and classic Chevy Trucks. Our drop spindles are designed to be direct bolt on installation, not requiring any cutting or modification to your stock vehicle. MaxTrac's one piece ductile steel spindles exceed OEM quality, maintain alignment, and keep the stock ride quality true. Product information updated on 2024-07-04. This product can ship by Small Parcel