Need to know what kind of hubs I can use?

RustyRatRod said

Well, it appears he has one.

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RustyRatRod said

Rock Auto and "everybody else" clearly shows a 10 x 2.5" front shoe for his car.

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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.