Drum Brake Conversion.

They definitely are 5x4.5” Bolt pattern.
Was lead to believe they were removed from a 67’ Barracuda. (could have been upgraded on that car)
Does that result in me needing 1973 and up A body lower ball joints?
Thanks for your reply.
The spindle part number will tell us what you have to start with. If there off another body series then they may not work.