2018-2019 Chevrolet Silverado 2500 HD CNG Crew Cab Pickup 78.8 Bed, 2018-2019 Chevrolet Silverado 2500 HD CNG Crew Cab Pickup 97.6 Bed, 2017-2019 Chevrolet Silverado 2500 HD DIESEL Crew Cab Pickup 78.8 Bed, 2017-2019 Chevrolet Silverado 2500 HD DIESEL...