Here is the most Important item. The Correct Air Horn. You see that Small Diameter Fuel Inlet. If you got one the size of a Quarter then your Carb is just a run of the Mill Two Barrel Carb from some Old No Power Two Barrel Intake. Of course the Exception is the 66 Tri Power Intake that had Huge Two Barrels on all three spots. Even then only the center carb had the big fuel inlet
