Arlen ness Big Sucker Kit Air filterRef : ANS00513A / 10100870

Stage I Big Sucker Air Filter Kit by ARLEN NESS (manufacturer's ref: 18-321). Designed for vintage/touring purists, this compact kit combines a silver chrome aesthetic with robust materials: steel body, single-piece aluminium backplate, and surgical-grade cotton filter media. The filter is pre-oiled, washable, and reusable, and remains compatible with the OEM cover for a neat fit on the Twin Cam line.

• Concealed breather: O-rings at the cylinder heads and at the injector/carburettor outlet for efficient engine breathing without the need for hoses or additional parts.
• Rounded intake: circular filter profile for unobstructed airflow and harmonious integration with classic covers.
• Construction: chrome steel body, single-piece aluminium backplate with concealed breather technology.
• Maintenance: surgical cotton media, pre-oiled, washable, and reusable — cost-effective and durable.
• Complete kit: all mounting hardware and instructions included.
• Compatibility: for Twin Cam Delphi EFI 2001–2017 and Twin Cam CV carburettor 1999–2006.

Style, reliability, and chrome finish: the Big Sucker adds a vintage and high-performance touch to touring and custom bikes. Particularly suitable for Dyna Twin Cam families listed for application references and looks (e.g. Wide Glide, Low Rider, Fat Bob).