Aftermarket wheels, 17" (maybe 18) BBP

Jarlaxle said
Wait 73 got narrower axles?

72bluNblu said
8 3/4" Rear end widths, drum-to-drum:

A-BODY

'66-'72= 57 1/8” (or 57 13/16” for BBP axles and brakes)

BBP 8.25/7.25= 56 3/4”