Arlen Ness 18-561 Big Sucker Air Filter Kit - Black - Stage I

• Each hidden breather is O-ringed at the heads and exits at the mouth of the injector/carb to provide efficient engine breathing, eliminating the need for any external hoses or hardware
• Standard red filters are pre-oiled, washable and feature four layers of surgical grade cotton for optimum filtration and maximum airflow
• Radius air inlet provides maximum performance by providing unobstructed airflow
• One-piece aluminum backing plate features hidden breather technology
• All necessary hardware and instructions are included with each kit

Accepts Arlen Ness® Stage I round covers only.

For '01-17' Twin Cam Delphi EFI and Twin Cam CV carb models.