Fab Fours Side Step Nerf Bars, Crew Cab J1006B Fits 2011 to 2016 GM 2500-3500 HD;Fits 2011 to 2016 GM 1500;Bare steel; Crew Cab Cab Length 4 step; 10 Large full width stomp pad; Embossed Fab Fours logo; Matte black powder coat or bare steel (-B instead of -1); 100% Made in the USA CHEVROLET GMC SIERRA 1500 SIERRA 2500 HD SIERRA 3500 HD SILVERADO 1500 SILVERADO 2500 HD SILVERADO 3500 HD BASE DENALI HIGH COUNTRY HYBRID LS LT LTZ SL SLE SLT SSV WT XFE 2011 2012 2013 2014 2015 2016 4.3L (262) Vortec 4.3L LU3 (4293cc) Vortec 4.3L LV3 (262) Vortec 4.8L GEN IV Flex L20 Vortec (294) 5.3L Ecotec3 L83 (325) 5.3L GEN IV Flex LC9 Vortec (325) 5.3L GEN IV Flex LMG Vortec (325) 6.2L Ecotec3 L86 (376) 6.2L Flex L9H (376) 6L GEN III Electric/Flex LZ1 Vortec(364) 6L GEN IV CNG LC8 Vortec (364) 6L GEN IV Flex L96 Vortec (364) 6L GEN IV Flex LC8 Vortec (364) 6L GEN IV L96 Vortec (364) 6L GEN IV LC8 Vortec (364) CNG ELECTRIC/FLEX FLEX GAS Fab Fours Fab Fours Side Steps (Bare) - J1006B J1006B Nerf Steps