2019-2023 Chevy/GMC 1500/2500/3500HD AMP-Research Power Running Boards [Standard] shocks 2021 GMC Sierra 3500 HD

2021 GMC Sierra 3500 HD Denali

S&B Tanks were engineered with a built-in baffled design

When running these on the truck you will rub the frame

The leveling torsion key provides up to 2”of lift and gives clearance to add up to 32" tire

There is no guesswork

2019-2023 Chevy/GMC 1500/2500/3500HD AMP-Research Power Running Boards [Standard] shocks 2021 GMC Sierra 3500 HDFits: [2020 2023 2500 3500 Silverado Sierra [Diesel Gas] Crew Cab Fits: [2019 2022 1500 Truck Silverado Sierra [Diesel Gas] Crew Cab Part# 76254 01A Part #: 76254 01A Boards will need to be trimmed on Regular Cab & Double Cab models Installation requires drilling NOTE: Stock levels change regularly. If your product is unavailable, please call or chat to verify inventory. Replacement Parts: 19 04561 97L, 19 04280 STA, 75190 01A, 80 04868 90, 19 03970