Holley High-Performance 50cc Accelerator Pump Kits

Significantly Increase Pump Shot Volume

Eliminate flat spots off-idle by supplying continuous fuel flow to your accelerator pump across RPM range. Accelerator Pump Kits include pump housing#, pump cam#, pump arm#, molded diaphragm#, special spring#, and hold-down screws.

Note: For most applications#, a 1/4" spacer (minimum) must be used under the carburetor in order to clear the pump unit