
ARLEN NESS Oval Air Filter (manufacturer part no. 600-172) — A Stage 2 air-cleaner kit with a low-profile design, intended for touring and vintage customs. Its open design and pre-oiled cotton media promote significant airflow while remaining washable and reusable for easy maintenance. Gold finish adds a touch of elegance to a classic or custom front end.
The curved design support plate is intended to minimise airflow obstructions, while the low-profile assembly maintains generous width for the rider. The kit is aimed at custom/vintage and touring enthusiasts looking for an aesthetic and compact fit on their airbox.
Commonly associated models include: Harley‑Davidson FXDLS 1800 Low Rider S, FLSTFBS 1800 Fat Boy S, and FLSTN 1690 Softail Deluxe (2017 models). Check compatibility with your model and year before ordering.