CURT 16070 - A30 5TH WHEEL HITCH 20-26 GM HDCURT A30 5TH WHEEL HITCH 20 26 SILVERADO SIERRA HD Cast yoke with poly torsion inserts to suppress shock loads and reduce noise Fully articulating torsion head for controlled coupling and stable towing Lockable handle self resets to the ready to couple position after uncoupling Constructed with a cast steel main body for a more precise build High strength, interlocking jaws fully wrap the kingpin to minimize noise Extra wide head opening for easier