Hello Kim,
1: Its a 4 bbl intake.
2: I would like the electric assist ballast.
3: I do not have the old one to compare it to, But I am guessing that you are referring to the lower part of the well on the manifold.
That part is round on the manifold I have
See attached picture.
As always,
Thanks in advance,
Happy Mopar :)
Arron: