4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] dual plane fuel injection intake

dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines

6 pinion gear

These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications

Impala and Buick Roadmaster

they come in three different finishes and feature a billet aluminum oil fill cap

4 Barrel Billet Aluminum Carburetor Main Body - 4150 Double Pumper [Black] dual plane fuel injection intakeThis 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.