PartsTrend 4" Truck Side Steps Running Boards Stainless Steel Nerf Bars Compatible with 01 02 03 04 05 2006 2007 2008 2009 2010 2011 2012 2013 2014 Chevy Silverado GMC Sierra 1500 2500 3500 Crew Cab Compatible with: 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Chevy Silverado GMC Sierra 1500 2500 3500 Crew Cab Side Steps Rail Running Boards 100% brand new 2 bars for both driver & passenger sides, all mounting hardware and installation instruction included. Polished to a mirror finish and will never rust. Step bars are made of 4 inch wide marine grade stainless steel triangle tubing with UV resistant non-slip step pads. Feature no-drill installation for ease of installation and truly custom fit. High Quality,360 Days Safe Warranty.360 Days Safe Warranty.