2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2WD/4WD. 2" Rear Block Kit. PN RTX999005. RTX Off Road 2Inch rear block kit for 2011-2019 Chevy Silverado / GMC Sierra 2500/3500 HD 2wd and 4wd trucks. Comes complete with vehicle specific u-bolts and hardware. Adds a nice rake for towing or hauling additional weight in the bed. Easy to install. Does not require any permanent modifications.
Warranty: 5 years