CURT Class 3 Trailer Hitch, 2-In Receiver, Concealed Main Body, Fits Select Chevrolet Silverado, GMC Sierra 1500 Model 13175CURT Class 3 Trailer Hitch, 2 In Receiver, Concealed Main Body, Fits Select Chevrolet Silverado, GMC Sierra 1500 Model 13175 Whatever your task at hand whether it's launching that boat before daybreak, setting up your camper before the rush or getting a final load to the dump before close CURT class 3 trailer hitches offer the strength needed for serious towing. They make it easy to hitch up and Bring It, offering a vehicle specific fit and the weight