Acc Pump Nozzles Booster

Designed specifically for Demon™, Claw™ and HOLLEY® Performance Carburetors, these precision needle and seat assemblies keep the fuel bowl full while offering positive sealing with a Viton tip. Spring loaded assembly is recommended for severe off-road

Custom tailor accelerator pump timing to your specific engine needs. Includes 8 cams for modular four barrels and two barrels with 2 screws.

Calibrate the accelerator pump discharge volume to your particular application by changing the pump nozzle. Use of the hollow screw allows increased fuel flow ensuring the nozzle is the controlling factor in fuel delivery. Choose either the tube type or s

Complete assortment of 7 different diaphragm springs for vacuum secondary carburetors. The stiffness of the spring determines when the secondaries open.

Calibrate the accelerator pump discharge volume to your particular application by changing the pump nozzle. Use of the hollow screw allows increased fuel flow ensuring the nozzle is the controlling factor in fuel delivery. Choose either the tube type or s

Anti-pullover nozzles are used to combat a condition that is sometimes called "pump pull-over". As a stream of air rushes past the discharge nozzle it has a tendency to pull fuel from the nozzle, especially on smaller cubic inch engines. Sold per pair.

Pair of 30cc accelerator pump diaphragms

Accelerator pump check valve for use with Street Demon® carburetors

Inlet needle and seat assembly for Street Demon® carburetors

Fast idle solenoid for Street Demon carburetors