Whats the difference ? 4150 question !

Here is one carb I would look at. It’s not cheap, but I can tell you that a custom carb is worth it’s weight in gold.


BX4 Xtreme Large bore 4150 carburetors BX4 Xtreme [4044-BX4X-A-G-D-1050] - - It's Free! : BLP, Xtreme Performance Made In USA