Beveled outer chrome plated billet cover. Comes with an exposed performance synthetic black air cleaner element for good looks and excellent performance. Note: This synthetic black air filter element requires no oil. To service; just clean and rinse. Do not use oil.

- Plain finish one-piece aluminum backing plate - Used with OEM air cleaner cover with single central bolt (excl. 14-16 Touring) - Can be used as an exposed filter design when using one of the Ness Stage1 billet covers - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow Note: 14-16 Touring is not compatible with the OEM cover but requires an exposed filter design and is compatible with one of the Ness Stage1 billet covers

- Plain finish one-piece aluminum backing plate - Used with OEM air cleaner cover with single central bolt (excl. 08-17 Dyna; see note) - Can be used as an exposed filter design when using one of the Ness Stage1 billet covers - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow Note: 08-17 Dyna will require a custom outer air cleaner cover with a minimum inner diameter of 6-1/4".

- Chrome plated one-piece aluminum backing plate - Used with OEM air cleaner cover with single central bolt - Can be used as an exposed filter design when using one of the Ness Stage1 billet covers - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow

- Chrome plated one-piece aluminum backing plate - Used with OEM air cleaner cover with single central bolt - Can be used as an exposed filter design when using one of the Ness Stage1 billet covers - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow

- Black anodized one-piece aluminum backing plate - Used with a custom round air cleaner cover; minimum ID 6-1/4" - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow

- Chrome one-piece billet aluminum backing plate - Used with Ness Stage II outer covers; or any custom outer cover with a single central bolt and a minimum of 8" diameter - Not compatible with OEM outer air cleaner covers - Stage II Big Suckers feature a 20% larger filtration area than the Stage I kits - Comes with a high performance synthetic filter with a zinc plated housing - Filter requires no oil; just clean; rinse and re-install when servicing - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow. Note: See 959659 for the replacement Ness filter element.

- Chrome one-piece billet aluminum backing plate - Used with Ness Stage II outer covers; or any custom outer cover with a single central bolt and a minimum of 8" diameter - Not compatible with OEM outer air cleaner covers - Stage II Big Suckers feature a 20% larger filtration area than the Stage I kits - Comes with a high performance synthetic filter with a zinc plated housing - Filter requires no oil; just clean; rinse and re-install when servicing - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow. Note: See 959660 for the replacement Ness filter element.

- Black anodized one-piece billet aluminum backing plate - Used with Ness Stage II outer covers; or any custom outer cover with a single central bolt and a minimum of 8" diameter - Not compatible with OEM outer air cleaner covers - Stage II Big Suckers feature a 20% larger filtration area than the Stage I kits - Comes with a high performance synthetic filter with a zinc plated housing - Filter requires no oil; just clean; rinse and re-install when servicing - Increases horsepower & torque - Built-in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings - Radius air inlet for unobstructed airflow. Note: See 959660 for the replacement Ness filter element.