Fits 1-1/8" to 1-1/4" tubing

Open Air Filter Style for Max Air Flow

Flush type mounting brackets

17mm hex nut

arlen ness stage 1 big sucker air cleaner kit for harley 3OM Fits 1-1/8" to 1-1/4" tubingOne piece aluminum backing plate Includes 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 the replacement filter