Power Running Boards HT-Series Crew Cab Silverado/Sierra 1500/2500HD/3500HD 2WD/4WD Rough Country Air & Fuel - Fillers & Caps - Fuel Tank The high pressure nitrogen gas

The high pressure nitrogen gas and floating piston technology combine to create the fastest responding shock ever

Compressed Length of 37-5/16 inch

Covered Limited Lifetime WarrantyIncludes: 2 cast iron blocks

This Dynatrac 2 inch Suspension Lift System 1 produces two inches of lift to clear taller tires with zero cutting and zero rubbing

Tuff Country P/N 28490 Ford F250 leaf springs offers the ultimate in leaf technology with the EZ-Ride leaf springs

Power Running Boards HT-Series Crew Cab Silverado/Sierra 1500/2500HD/3500HD 2WD/4WD Rough Country Air & Fuel - Fillers & Caps - Fuel Tank The high pressure nitrogen gasHt Series Power Running Boards: Step Up in Style: Sidesteps have evolved, and the Ht Series Power Running Boards take entry and exit to a premium level. These automatic, retractable running boards deploy smoothly when the door opens and tuck tight under the rocker panel when closed for a clean, factory style appearance. A wide 6 inch anti slip stepping surface provides confident footing in all conditions, while integrated LED courtesy lights