MaxTrac 810020 cast 2" lifting blocks for your 2wd or 4wd 2007-2018 Chevy Silverado 1500 are a perfect match for MaxTrac's leveling kits or lifted spindles. The lift blocks are easily installed to give more clearance in the rear of your 2007-2014 Silverado. The 2" lift block will replace the factory 1" lifting blocking giving your Silverado an additional 1" lift from your stock ride height.