Westin Platinum Series 4 inch Oval Step Bar, Wheel to Wheel 24-54205 Finish: Black Steel;No Drilling Installation;Mounting Brackets Included;Sold As: Pair CHEVROLET GMC SIERRA 2500 SIERRA 2500 HD SIERRA 3500 HD SILVERADO 2500 SILVERADO 2500 HD BASE DENALI LS LT LTZ SL SLE SLT WT 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN IV CNG LC8 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LC8 Vortec (364) 6L GEN IV LY6 Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG FLEX GAS Westin Westin Platinum Series Oval Wheel-To-Wheel Step Bars (Black) - 24-54205 24-54205 Nerf/Step Bar Wheel to Wheel