Anyone tell me what these manifolds fit?

Cope said
The six pac manifild (around here) is AT LEAST 1,200.00 WITH OUT THE CARBS

That depends if it's a low block 383 manifold, or a raised block 440 manifold.
New 440 manifolds seem to be advertised in the $450.00- $475.00 range from what i see from e bay vendors.