Frame

[Macguyver]

The rear end is 73-77 8.5" A Body. The front end also 73-77 A Body. Rear arms will be 22" lower and 11" upper, hole to hole.

 

[Smash54]

The rear end is 73-77 8.5" A Body. The front end also 73-77 A Body. Rear arms will be 22" lower and 11" upper, hole to hole.

Sorry so long family friend passed from Covid.
Measured upper they are 22 inches long

 

[Smash54]

So if I was looking for parts for the front or rear what car do you think I can use when ordering.

 

[Macguyver]

GM Never made an upper arm that was 22". But nothing has changed, from the pics you sent ... The rear end is 73-77 8.5" A Body. The front end also 73-77 A Body.