ARIES 2555046 AdvantEDGE Chrome Aluminum 91-Inch Truck Running Boards, Select Chevrolet Silverado, GMC Sierra 2500, 3500 HD Fits select: 2007 GMC NEW SIERRA

Unique, eight-sided tube profile to complement the style of modern trucks Offers 6" of additional length, reaching the edge of the cab Extruded, all-aluminum construction to be strong, lightweight and rust-free