arlen ness stage 1 big sucker oval air cleaner for harley BS365 but you might consider sizing

but you might consider sizing down for a snugger fit

Dimensions: Tube OD 35mm x 48

100 gram tin

Polycarbonate shell for lightweight and durable protection

1981 Z - 440cc

arlen ness stage 1 big sucker oval air cleaner for harley BS365 but you might consider sizingOne piece aluminum backing plate For use with the OEM oval air cleaner cover Stage 1 red pre oiled filter element. With added urethane for best support of the factory cover. The best and simplest performance air cleaner kit for your bike period. Increases Horsepower & Torque Patented Hidden Breather Technology Pre Oiled & Synthetic High Performance Filters One Piece Aluminum Backing Plate Radius Air Inlet for Unobstructed Airflow Note: See 960971 for