Arlen Ness Big Sucker Knuckle Air Cleaner - 18-393 For Harley Motorcycles 2017-2024 Windshields passes through the backing plate

passes through the backing plate and exits inside the mouth of the throttle body through the proprietary breather tubes

Eliminate bottoming out on large bumps or potholes

Product Name Belt Type Rear Drive Material X3N Carbon Tooth Count 139 Width 1-1/2" Units Each Riding Style Street

Variable position enrichment starting system

Note: Kit Includes:

Arlen Ness Big Sucker Knuckle Air Cleaner - 18-393 For Harley Motorcycles 2017-2024 Windshields passes through the backing plateFeatures Each breather is O ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary breather tubes Breathing system eliminates oil issues associated with the M8 engines by directing any excess breather oil back into the engine Kit includes one piece backing plate, breather tubes, performance filter, filter top, gaskets, oil reservoir and necessary hardware High performance filters are