I would recommend 6th Elements Fuel pump (DW65c Hyundai Low Pressure Fuel Upgrade and steel braided fuel lines (PTFE braided line - 6AN) but I don't know the condition of you gas tank (might be full of gunk).
BTW E9C900A has a lot of good info from over the years, also TooGqForYou, Bigbird, Mr.MattyV, rspec2014, TyBardy, trdtoy, and these are a few people Who and Been a Great Help to me in my journey.