Arlen Ness Big Sucker Stage I Air Filter Kit with Billet Cover and Synthetic Filter - 10-Gauge - Black - 50-291

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, eliminating the need for any external hoses or hardware
Radius air inlet provides maximum performance by providing unobstructed airflow
Backing plates are available in black powdercoat or chrome finish
Kits are available with standard red or synthetic black filter elements
Standard red filters are pre-oiled, washable and feature four-layers of surgical-grade cotton for optimum filtration and maximum airflow
Synthetic filters feature a black synthetic material that is water-resistant and never needs to be oiled; just wash and re-use
All kits include high-performance filter, backing plate and outer cover
All necessary hardware and instructions are included with each kit