Yes, 73- A and B bodies have spool type mounts.
If production date is correct, it could be from an E body.
Or I guess a replacement part could have dates even later than '74.
The Kit Car program was using E body K members "till the program ended.
And yes, the E body Ks are the same as '71-2, Bs.

Last edited by geo.; 08/29/17 10:02 PM.