Westin Platinum Series 4 inch Oval Step Bar, Wheel to Wheel 24-54540 4 in. Oval Wheel-To-Wheel; Step Bar; Polished Stainless Steel; Mount Kit Included CHEVROLET GMC SIERRA 1500 SILVERADO 1500 BASE CUSTOM LS LT LTZ SLE SLT WT 2014 2015 2016 4.3L LV3 (262) Vortec 5.3L Ecotec3 L83 (325) 6.2L Ecotec3 L86 (376) FLEX GAS Westin Westin Platinum Series 4 Inch Oval Wheel-To-Wheel Step Bars (Polished) - 24-54540 24-54540 Nerf/Step Bar Wheel to Wheel