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 533218 * Statistical analysis of time

* Statistical analysis of time at RPM

Diameter ·: 160mm approx

Fits: > 58-84 FL

Comes complete with stock length 5

return spring and highly chromed transmission end cover

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 533218 * Statistical analysis of timeBlack 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