This car had some 1967 only door that needed to be modified to fit the earlier latch. There were some donor doors that were being used for this car as well as a 1957 that the latch section was removed from.
The door handle patches came from opposing quarter panels on a donor car. Left quarter / Right door, Right quarter / Left door
The interior pull handles are also different and were moved forward and aligned
The latch was fit to the B-pillar and aligned with the closed door prior to installation
Latch and door handle patch welded in