Arlen Ness Stage 1 Big Sucker for 2017-Newer Harley Touring 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
  • 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
  • All necessary hardware and instructions are included with each kit

Additional information

Backing Plate Finish

Natural Backing Plate (18-457), Chrome Backing Plate (18-458), Black Backing Plate (18-459)


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