Arlen Ness Performance Air Filter Kit

Increase performance and add style to the engine
Features a performance filter with a pleated top to take in air from the sides and top of the filter for maximum airflow
Filter cover, spacers and clamps are all CNC machined from billet aluminum
Performance air filter is made from high-flow black pre-oiled cotton media
Increased filter height specially designed to increase airflow without reducing leg room
Over 50% more air filter surface area than paper filters found in factory oval air cleaners
Dyno testing has shown up to a 3 horsepower increase after installing the upgrade filter on factory displacement M8 engines; up to 5hp gain for 124â€ big bore M8 engines
Kit Includes:
One performance filter
One billet air cleaner cover
Four billet spacers
Four clamps
Four mounting bolts
Does not include backing plate. Requires OEM/Harley-Davidson Ventilator oval backing plate.