CARR HOOP II XM3 Polished Chev DSL Pair 106332 Height: 4.50 Width: 11.50 Length: 11.00 Weight: 8.00 Fitment: 2016/GMC/Sierra 3500 HD/SLT Extended Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Will Fit Gas Engines To Allow The Steps To Extend An Additional 1 in.^^2016/GMC/Sierra 3500 HD/SLT Crew Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Will Fit Gas Engines To Allow The Steps To Extend An Additional 1 in.^^2016/GMC/Sierra 3500 HD/SLE Standard Cab Pickup 2-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Will Fit Gas Engines To Allow The Steps To Extend An Additional 1 in.^^2016/GMC/Sierra 3500 HD/SLE Extended Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged::Will Fit Gas Engines To Allow The Steps To Extend An Additional 1 in.^^2016/GMC/Sierra 3500 HD/SLE Crew Cab Pickup 4-Door/6.6L 6599CC 403Cu. In. V...