The Flow Control System utilizes a specially designed base in combination with a unique lid, featuring a tongue or protrusion, that reduces intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger for the ultimate in airflow and filtration. The result of this powerful combination is a typical 20 HP increase on a 350 CID engine.The choice of quite a few racing associations. This carburetor is used in an attempt to equalize competition. If you have to use this carburetor, you must use this air cleaner. It may be the most trick piece made by K&N. It clears the HEI distributor on cast iron manifolds. Only one size is offered because only one size works.
