4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] This is our top-of-the-line medium

This is our top-of-the-line medium profile LowRise+ Series manifold

Speedmaster pumps draw just 5

third member cases are made from heavy-duty nodular iron for maximum strength

and TFX 2002 engines

they won't eat up race-winning horsepower

4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] This is our top-of-the-line mediumThis Speedmaster 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.