Carburetor Airlflow Directors

Carburetor Air Bells and Stubstacks from PitStopUSA.com reduce turbulence, improve metering accuracy. Increases the airflow by reducing restriction. Straightens and speeds up air-flow. Designed to increase the airflow of carburetors, by decreasing the restriction around the choke horn. The stubstack fits inside the air cleaner housing and slides snugly down over the choke horn.