For the carb, can you use any OEM intake? The earlier 360 4V intake is abundant and dirt cheap, and a direct swap. The distributor is a direct physical swap. Setting it up depends on what you're allowed. Mopar Performance has a guide for installing their package.
This adapter might simplify things on the carb:
He might even be willing to punch one out specifically for the Holley you mentioned.
The MP ignition instructions are here:
Or you can run a DUI type distributor (http://www.performancedistributors.com/dodgesbdui.htm
), again, depends on rules. It's a single wire hook up, ready-to-run. The Mopar kit requires basically splicing 4 or 5 wires to bypass the TBI setup. The kit can be had from Summit or Jegs or pretty much any outlet that sells MP stuff. Looks like this:
You could cobble together what you need from the local junkyard and put your own together, or get an old point-type distributor and run that with a coil (simple and cheap, two wires to hook up), or do the Pertronix upgrade to a points distributor and have the simplicity of the distributor with electronics instead of points.
If you wanna keep your battery charged, you need to set up an external regulator: