A body non 7.25 rear end

Alaskan_TA said
I have an 8 1/4" here with a 3.90 from a 1978 Super Coupe.

The perches would have to be moved to work in an A-body.

I have not opened it up to see if it has a sure-grip or a spool yet.

I think a F body rear is too wide for an early A.