Arlen Ness AN-18-040 Air Filter Element for Sportster 88-21 using OEM Oval Air Cleaner Cover Topping that off with high-loft

Topping that off with high-loft fur lining for comfort and 100% waterproofing from the hydratex membrane

Available in sizes 38-50

Visor mechanism: does not require the use of tools

• Anodized billet aluminum

Arlen Ness AN-18-040 Air Filter Element for Sportster 88-21 using OEM Oval Air Cleaner Cover Topping that off with high-loftDescription for Arlen Ness Stage I Air Filter 18 040 Replacement air filter for Big Sucker kit PART NOs. 18 5973, 18 5446 and 18 5447 Product Specs for Arlen Ness Stage I Air Filter 18 040 Part #: AN 18 040 Mfg #: 18 040 Type Air Filter Custom Type Air Filter Element Units Each Weight 0. 70 lbs