Arlen Ness Stage 1 Big Sucker Black Air Cleaner Filter Kit Harley Sportster

PART# 18-826

Fits 1991 through 2020 Sportster 1200/883 Models

One-piece aluminum backing plate features patented 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 natural, black powder coat, or chrome finish

Filters 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

Stage I kit accepts OEM outer cover (unless noted) or custom Ness outer cover

Stage II kit features a 20% larger filter element and accepts an 8" round Ness outer cover only

All necessary hardware and instructions are included with each kit

NOTE: Exempt per C.A.R.B. ref. E.O. # D-639-5, Exhibit A. (unless noted).