Arlen Ness Big Sucker™ Air Filter Kit Sportster (No Cover)
- Each breather is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary breather tubes
- Kit includes one-piece backing plate, breather tubes, performance filter, filter top, gaskets, oil reservoir and necessary hardware
- New patent-pending hidden breather backing plate technology is a step up from our original patented system
- High performance filters are made from black pre-oiled cotton for the best in airflow and filtration
- Smooth radius air inlet for unobstructed air flow
- OUTER COVER NOT INCLUDED.