Need to know what kind of hubs I can use?

72bluNblu said

Yes, and 73+ A-body drums were 10x2.5 AND SMALL BOLT PATTERN.

It's right in the TSB. Small bolt pattern, 10x2.5" drums for the '73 model year. Nothing in that picture suggests that those are BBP.

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Ok. I'm not arguing with, just letting you know what I thought I remembered. That's all. I'm sure you're right. I was going on how far away from the hub center the studs look. Looks are deceiving I guess.