Spec-D Tuning SSB4-SIV99XCS2-WB Chevy Silverado Gmc Sierra Extended Cab Chrome Ss 4" Side Step Running Board 1 Pair of Chrome Polished Stainless Steel Running Boards Equipped with non-slip polyethylene step pads Set Includes installation instruction, mounting bracket and hardware 30 Day Money Back Guarantee & 90 Days Limited Warranty Made by OEM approved & ISO certified manufacturers in materials that meet or exceed strict OEM requirements