4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Red] especially those that produce high

especially those that produce high horsepower

These coils feature advanced bobbin technology

and use lightening holes in all rod throws

Its lightweight construction reduces engine load

4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Red] especially those that produce highThis 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.