4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] This Speedmaster Throttle Body is

This Speedmaster Throttle Body is designed to produce smooth

Some applications feature a thicker deck to solve common warping or cracking issues

Speedmaster oil pumps are manufactured from high-quality steel with all new components

but they also have a great chrome finish to add a classy touch to your engine

power and economy

4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] This Speedmaster Throttle Body isThis 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.