Fitment: Fits Chevrolet Silverado 1500 1999-2020 2WD 4WD Fits GMC Sierra 1500 1999-2020 2WD 4WD This lift kit will raise your 4WD Silverado or Sierra by a true 1" in the rear and a 2WD will raise 3" in the rear. These blocks replace the factory rear lift blocks on the 4WD. The 2WD does not come stock with rear blocks. This kit comes with new fabricated rear lift blocks and longer U bolts. Fabricated lift blocks will out last cast iron and will far outlast solid aluminum rear lift blocks. These rear lift blocks are also powdercoated for a long lasting finish. .
