Here's a picture of the k-frame in the car:
View attachment 1716329414
Yes, saddles are straight up and down. Because one is tied to the steering box mount, I kind of doubt things are bent. And because they are vertical, I don't think wear or something would cause it to set the motor at the wrong offset.
If I don't ignore the offset issue, best idea I have right now is to cut the mounts apart to weld them back together. Not too keen on trying to pie cut the mounts, maybe cut the saddle off square like they do when making a BB k-frame but instead of shifting them back I would shift them towards the PS. Neither option is very exciting to me.
I keep coming back to "it's an eight of an inch". The motor fits and would only need a little clearancing at the DS inner fender. And the header isn't hitting, it's just closer than I would like.