AMP Research 74815-01A BedXtender HD Max U-Shape Design - Black Lift Height_2" to 3" They're also zinc plated for

They're also zinc plated for resistance against the elements

Control air pressure at the push of a button from the comfort of your vehicle

Take Control of Your Cab Storage: Keep your interior clean

Each strut is specifically tuned for its intended application and includes a variable dampening system for outstanding handling and control on all road conditions

these M1's keep your suspension from overextending

AMP Research 74815-01A BedXtender HD Max U-Shape Design - Black Lift Height_2" to 3" They're also zinc plated forFlip it out with the tailgate open to gain up to 2 feet of enclosed cargo area. Flip it inside and close the tailgate to keep tools and smaller cargo contained in the truck bed. Classic u shape design provides maximum cargo capacity.