fuel injection
So, exactly how much cash have you "found?"
You can always go overboard, chrome plate new Holley/ /Edelbrock, etc,
or you looking for budget, used, DIY?
LOTS of different ways to get there
I don't want to have to re--write the internet here, so a few details would help.
You want a generic 4bbl intake, tbi, multiport, or a "look alike" tunnel ram, cross ram or sixpack?