Arlen Ness Big Sucker Stage II Air Filter Kit w/ Synthetic Filter - Black 50-820Features a one piece aluminum backing plate carb support bracket Eliminates the need for banjo fittings, hoses, and clamps Breather passages exit at the mouth of the carburetor throttle body, creating a virtually closed loop system Kit features a 20% larger high flow filter for even more airflow Pre oiled filter element available in standard or stainless finish. Backing plate offered in plain, chrome or black finish.