CURT 5th Wheel Installation Brackets, Select Chevrolet Silverado, GMC Sierra 2500, 3500 HD, Except Cab & Chassis Model 16411CURT 5th Wheel Installation Brackets, Select Chevrolet Silverado, GMC Sierra 2500, 3500 HD, Except Cab & Chassis Model 16411 When you purchase a 5th wheel trailer hitch, you expect it to be capable of towing your RV, flatbed or whatever other 5th wheel trailer you own. While a 5th wheel hitch does offer an impressive amount of towing strength, it cannot get far without the proper installation equipment. Engineered for specific makes and models, CURT