One single 67/68 NOS tow hook for the pass/rh side GM p/n 3663350. New old stock fitting 60-68 GM trucks, has never been bolted on a truck before & still has its original gm parts pulling tag attached. $125... picked up or $140... shipped U.S. postal priority-insured, payment by US postal money order or paypal/visa/mc.
I also have used pairs/sets of factory hooks available in all three types.