Speedmaster Billet Aluminum 4-Barrel Carburetor Main Body with Tubes, 4150 Double Pumper | Speedmaster PCE116-1006

This PCE design features tubes instead of discharge nozzles that provide a more consistent fuel flow. Want to upgrade your street carburetor to a high performance race carb but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get 25 to 50 HP from these Proform main bodies. With no air horn, choke tower, or choke control to restrict airflow, they deliver extra power easily and affordably.