2017-2022 Superduty Side Rails For Use w/Tool Box 21 in. 6.10 Ft. Bed Truck Bed Rail (65521TB) Suspension>Steering Dampers Rated to a breaking strength

Rated to a breaking strength of 52

Sway Bar Drops aid in maintaining and correcting proper geometry

Hard-anodized 6061-T6 aluminum alloy shock body resists impact and dissipates heat efficiently

3" cat-back

Internal Technology: Features Volume Optimized Damping (VOD) with a digressive linear piston for improved control

2017-2022 Superduty Side Rails For Use w/Tool Box 21 in. 6.10 Ft. Bed Truck Bed Rail (65521TB) Suspension>Steering Dampers Rated to a breaking strengthSERIOUS STRENGTH: We get it. You do not want Siderails that try to look tough but have no purpose. BACKRACK(TM) Siderails are industrial grade and designed for trucks that push the envelope of on the job abuse. Heavy gauge HRPO tube is fully welded to an angular base that runs the full length of your truck bed. We expect you to overload your truck. BACKRACK(TM) Siderails are ready to handle whatever you bring to the job site. RUGGED GOOD LOOKS: If it