Arlen Ness Method™ Clear Cover Air Cleaner - 18-173 For Harley Sportster 1988-2022 Harley-Davidson Does not require any OE

Does not require any OE controllers or switches to function

breather elements

Spring rates have been chosen to reduce front-end dive during braking

Stainless Steel Nuts

Arlen Ness Method™ Clear Cover Air Cleaner - 18-173 For Harley Sportster 1988-2022 Harley-Davidson Does not require any OEFeatures Forged billet aluminum air cleaner featuring a polycarbonate window to view the internal working of the air intake system Polycarbonate is hard coated for long lasting durability and protection from engine oil and UV sunlight Radius air inlet provides unobstructed airflow into engine Includes backing plate, forged filter housing, clear polycarbonate top, filter, gaskets and necessary hardware Each hidden breather is o ringed at the heads,