Holley Hi-Performance 50cc Accelerator Pump Kit

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Significantly increases pump shot volume.

Eliminates flat spots off idle by supplying a continuous flow of fuel to your accelerator pump throughout the RPM range. Kit includes accelerator pump housing, heavy duty accelerator pump arm, accelerator pump cam, molded diaphragm, special spring and four hold-down screws. Note: A 1/4'' spacer (minimum) must be used under the carburetor for most applications, in order to clear the pump unit.