Luverne O-Mega II 6" x 36" Black Aluminum Step Nerf Bars Model 584036-570340LUVERNE O Mega II 36 Inch Black Aluminum Side Steps, Select Chevrolet Express, GMC Savana 1500, 2500, 3500 Model 584036 570340 Like many LUVERNE side steps and running boards, O Mega II 6" oval side steps are made to work hard and to do it with style. They are constructed from strong, lightweight, rust free aluminum, and to truly make them a step up from the rest, we shield them in a highly durable powder coat finish. This ensures maximum corrosion