You can make up grades to your stock HEI if you wanted to.But if your going back to a pretty much stock Motor No real need to do so.It will do fine.
But if your plains are to up grade the cam. Then it would be better to swap out the OLD intergrated head for a early style head. Get headers Or Tom Langdons dual CAST exhaust.They will Out Last ANY Headers on the market to day Even if they have been coated. As for Intakes
It's either Offey,Clifford OR one of Engine companys. Intakes . last but not least You build your own or have someone else build you one.
God doesn't like ugly.
