Nfab N-Durastep Nerf Step, with Bed Access NDC11105QC-6 Bed Access CHEVROLET GMC SIERRA 1500 SIERRA 2500 HD SIERRA 3500 HD SILVERADO 1500 SILVERADO 2500 HD SILVERADO 3500 HD LS LT LTZ SL SLE SLT WT 2011 2012 2013 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.3L LU3 (4293cc) Vortec 4.8L GEN IV Flex L20 Vortec (294) 5.3L GEN IV Flex LC9 Vortec (325) 5.3L GEN IV Flex LMG Vortec (325) 6.2L Flex L9H (376) 6.6L Duramax Turbo Diesel LGH (403) 6.6L Duramax Turbo Diesel LML (403) 6L GEN IV CNG LC8 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV L96 Vortec (364) CNG DIESEL FLEX GAS Nfab N-FAB N-Durastep Bed Access Nerf Step Bars (Black) - NDC11105QC-6 NDC11105QC-6 Nerf/Step Bar Wheel to Wheel
