I'll admit this is only an educated guess, but I believe 4 seatbelts were standard by 67, and in fact earlier also. Your owner's manual should tell you. Dick Benjamin ----- Original Message ----- From: Tim Klein <tim@xxxxxxxxxxxxxxxxxxx> > "Center rear seat belt" was an option in '67, but were left- and > right-side rear seat belts standard? The '67 section of our > club web site is ambiguous on this question