Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover

Chrome backing plate .
For use with OEM air cleaner cover.
Designed to pull in the most air possible under the factory air cleaner cover. The backing plate features a patent-pending hidden breather system and a formed aluminum internal design resulting in more performance with no oil blow-bye issues. The integrated patent-pending oil catch makes sure no oil ever touches the massive perimeter-flow air filter.
- Increases Horsepower & Torque
- Eliminates Oil Blow-bye Issues Associated with M8 Engines
- Red Pre-Oiled High Performance Filter
- Patented Oil Catch / Reservoir
- Patented Hidden Breather Backing Plate
- Aluminum Filter Top Plate Design Eliminates Internal Mounting Hardware
- Specially Formed Radius Air Inlet & Air Venturi