5/8" U-bolts and 3" Rear Lift Blocks FOR 11-20 Chevy Silverado Sierra 2500 3500

2011 - 2020 Chevrolet Silverado 1500HD / 2500HD / 3500HD / 2500 / 3500. 2011 - 2020 GMC Sierra 1500HD / 2500HD / 3500HD / 2500 / 3500. 1 Set of 3" Rear Lift Blocks -- Blocks are 3" in width and designed especially for this application.