i have a spyder efi intake for a 351w it has the fuel injector bungs set up also has a proffesional products fuel rails on it with a proffesional products fuel pressure regulator. its all brand new i have decided to go carburated. i spent over 450 on this set up im looking for a trade for a carb set up or $400 obo if going to fuel injection i have almost evrthing to do the swap.