Fab Fours Side Step Nerf Bars, Crew Cab J1014 Fits 2015 to 2016 Chevy and GMC 2500-3500;Black powder coat;Crew cab cab length;Diesel;Side Step; CHEVROLET GMC SIERRA 2500 HD SIERRA 3500 HD SILVERADO 2500 HD SILVERADO 3500 HD BASE DENALI HIGH COUNTRY LT LTZ SLE SLT WT 2015 2016 6.6L Duramax Turbo Diesel LML (400) DIESEL Fab Fours Fab Fours Side Steps (Black) - J1014 J1014 Nerf Steps