Power Running Boards HT-Series Crew Cab Silverado/Sierra 1500/2500HD/3500HD 2WD/4WD Rough Country Air & Fuel - Fillers & Caps - Fuel Tank Compressed Length of 37-5/16 inch

Compressed Length of 37-5/16 inch

giving it that mean

Requires no drilling or modification to your vehicle if equipped with factory or aftermarket roof rack

2007 GMC Sierra 2500 Hd Classic

Power Running Boards HT-Series Crew Cab Silverado/Sierra 1500/2500HD/3500HD 2WD/4WD Rough Country Air & Fuel - Fillers & Caps - Fuel Tank Compressed Length of 37-5/16 inchHt 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