Rear end for 65 barracuda with 5x4.5 bolt pattern

So if I went 8.25 do they make aftermarket? Or do I have to go junk yard hunting?

As far as I know, the 8.25 is not available aftermarket so you will be junkyarding. You’ll want one from a 73-76 A Body or post a want ad here. You might think shipping might be a deal breaker, not if Fastenal is used