18-507 - Arlen Ness Big Sucker Air Filter Kit For Harley Davidson FLD 1690 2012-2013 - Chrome

Features: 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..