Streamlined Access and Modern Style. The 6-Inch iStep Wheel-to-Wheel Running Boards; Black for the 2007–2019 Silverado 2500 HD Extended/Double Cab with 8-Foot Long Box offer an ideal blend of function and contemporary design. Designed to provide easy access to both the cabin and the truck bed, the 6-Inch iStep Wheel-to-Wheel Running Boards feature a full-length stepping surface that extends from the front wheel to the rear. This ensures safe, convenient entry and exit for passengers while also allowing effortless access to tools, cargo, or gear stored in the truck bed.

Durable, Heavy-Duty Construction. Built from aircraft-grade 6061 aluminum, the 6-Inch iStep Wheel-to-Wheel Running Boards; Black for the 2007–2019 Silverado 2500 HD Extended/Double Cab with 8-Foot Long Box deliver outstanding strength without adding unnecessary weight. The solid, one-piece construction provides excellent resistance to flexing and bending, even under heavy use. This robust design ensures reliable support for daily work, off-road excursions, and long-term use in demanding conditions.

Installation. Putting these 6-Inch iStep Wheel-to-Wheel Running Boards; Black on your Silverado 2500 HD Extended/Double Cab takes 1 hour to install.

Warranty. There is a 1-year limited warranty on this product.

Application. The 6-Inch iStep Wheel-to-Wheel Running Boards; Black fit 2007-2019 Silverado 2500 HD Extended/Double Cab models with 8-Foot Long Box.

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