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

that's 50 percent less backlash than other competitive cables on the market

Speedmaster hub and piston kits are engineered for enhanced Powerglide performance

The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold

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.