TC Bros Finned Air Cleaner For Bendix Zenith / Keihin Butterfly Carburetors Features: Adds classic vintage style to your motorcycle Cover is beautifully cast from 356-T6 Aluminum Washable cotton gauze filter element increases air flow to the carburetor and boosts performance to your V-Twin Kit attaches easily using the CNC machined, powder coated steel mounting bracket It is highly recommended to use in conjunction with a support bracket for longevity