Arlen Ness, Stage 1 Big Sucker air cleaner kit. Ness cover - 16-17 Softail; 2017 FXDLS; 08-16 Touring, Trike (NU). (e-throttle) 14-16 Touring requires Ness custom over 975656 Mainshaft support bearing used in

Mainshaft support bearing used in backside of inner primary cover

Glass measures approximately 4-1/4" W x 3-1/2" H

Flat (no offset)

Big Sucker™ Performance Air FilterStage II kit includes a 20% larger high-flow filter and accepts an 8" round Ness or 8" round OEM outer cover

Classic / VM03

Arlen Ness, Stage 1 Big Sucker air cleaner kit. Ness cover - 16-17 Softail; 2017 FXDLS; 08-16 Touring, Trike (NU). (e-throttle) 14-16 Touring requires Ness custom over 975656 Mainshaft support bearing used inBlack anodized 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