Arlen Ness Big Sucker Smooth Air Filter Kit - 18-328 For Harley Touring 1999-2001 Koso North America Oil pumps are bench-tested

Oil pumps are bench-tested

Eliminates oil blow-by issues with M8 intakes

Tappet Cuffs

exhaust sound and driveability

If you have this set-up you will need to replace your headers for any after-market pipe fitment

Arlen Ness Big Sucker Smooth Air Filter Kit - 18-328 For Harley Touring 1999-2001 Koso North America Oil pumps are bench-testedFeatures One piece aluminum backing plate features hidden breather technology Each hidden breather is O ringed at the heads and exits at the mouth of the injector carb to provide efficient engine breathing Radius air inlet provides maximum performance by providing unobstructed airflow All necessary hardware and instructions are included Air filters are washable and reusable Specs Product Name Air Filter Kit Model Big Sucker Design Smooth Air Cleaner