AMP Research  75143-01A Power Step Running Board Power Step for Dodge Ram 1500 Quad Cab 2009-2011, Quad Cab 2500/3500 2010-2011 High strength, die cast aluminum alloy linkage arms, anodized and teflon coated to resist corrosion Precision, zero maintenance stainless steel pivot pins Extruded aluminum steps with a textured powder coat finish for maximum grip and durability 600 pounds load capacity (each side) and features precision, stainless steel pivot pins for rock solid stability and bombproof, die cast, aluminum alloy linkage components