CURT Custom Tow Bar Base Plate Brackets for Dinghy Towing, Fits Select GMC Sierra, Chevrolet Silverado 1500 Model 70141CURT Custom Tow Bar Base Plate Brackets for Dinghy Towing, Fits Select GMC Sierra, Chevrolet Silverado 1500 Model 70141 CURT tow bar base plates are engineered for a custom fit on each unique vehicle. This custom tow bar base plate fits select years of the GMC Sierra 1500 and Chevrolet Silverado 1500 (see application info to verify fitment). It features an OE style design to fully integrate with the front of the vehicle and maintain a factory look.