There are only two crossmembers listed for '67: Part No.: 9788824, for 4367-4455-65-67-4800 (convertibles, wagons, etc. - boxed frames) Part No.: 9796240, for 3000-4307-17-39-4407-17-39-69 (open frames) Strange thing is I don't see a part number for the 4600 series (GS)!?