Velocity Carburetor Venturi Set by Alpha

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This is a replacement Alpha Velocity Carburetor Venturi Set. This set includes three venturi's that are colored for easy identification. Venturi's also include installed o-rings.

The carburetor venturi is used to adjust the airflow that is allowed into the engine. By changing the size of the venturi, you can fine tune the power delivery and run time of the engine. A larger venturi will increase top end power, while at the same time reducing run time. A smaller venturi will improve bottom end throttle response, and improve run time. 


  • (1) Red - 6mm
  • (1) Orange - 6.5mm
  • (1) Blue - 7mm

This product was added to our catalog on January 21, 2015.