2012 Indiana,
Welcome to the Club !
I faced the same issue when looking for a Cobra and I too am also 6'-4" tall. There are some good suggestions here, but you might want to step back and take a look at the problem from a different perspective.
For the moment, forget the your height and ask yourself a few questions?
- What kind of Cobra do you like … 427 or 289 ?
- Is having a 90" wheel base car important, or would longer wheel base Cobra be acceptable. Keep in mind the original cars have a 90" wheel base as do a number of replicas.
So let's say you want a 90" wheel base 427, next step would be to look on Cobra Country and see what's there, then home in on say two manufacturers. Once you have narrowed it down to that then dig deeper on those Cobras you really want.
Most likely the brand of Cobra you prefer can be modified to fit with some degree of comfort. Between the manufacturer, installers and members here on Club Cobra, they would have tips on how to modify the car. It also may depend on how much wiggling in and out you what to put up with. The modifications may not make things completely comfortable, just less miserable ...
That being said, once you are in your car and reasonably comfortable, driving it is the best part !
For me the answer was an ERA 289 FIA with raised dash, slightly taller roll bar and pedals as far forward as possible.
Good luck in your search.