A body 8 3/4 complete w/ 3.23 742 suregrip in TN

eDart said
Sorry for my ignorance, will this fit on a 74 swinger?

Unless i am mistaken it would bolt under any A-body car from 1967-1976 with the correct parts. These rears are small 5x4.0" bolt pattern and the 73-up cars were 5x4.5" big bolt pattern. Hope this helps.
Matt