ADDING A 4BBL..HELP Please !!!

my stock carb runs like crap and needs a rebuild,,,going to put my 390 holley and intake and headers on ...so she will run good,,,i have talked with STROKERSCAMP IF YOU GUYS KNOW HIM and the driveability won't be a problem..THANKS 64drtgt for having my back..I JUST NEED PARTS AND PART #'S IF YOU GUYS HAVE THOSE..THANKS