That is still more than I would ever use them ever again.
340 Main caps are not expensive and that hard to find.
The thing about an incorrect axis and wrong sizing is new to me?
Align bore has always cured any issues for me without that drama.
If it is a $500/$1000. engine you are not risking a lot except
you time. If it is a significantly high $$$ build then the risk and
expenses goes up if you have a catastrophic failure.
Just my .02 = For Free!