arlen ness sportster velocity 90deg air cleaner for harley 3OM 77-78 CB 550 K Four

77-78 CB 550 K Four 550cc

For dual cables

Controls both ignition and fuel injection

Used for a perfect finish when replacing OEM fender strut mounted turn signals with Kellermann

- Length rubber base: 15 mm

arlen ness sportster velocity 90deg air cleaner for harley 3OM 77-78 CB 550 K FourIt greatly helps, when trying to maximize airflow through a filter, to have a large filtering area. But building a huge filter was a no go, it had to be small and very effective. This is where the Arlen Ness design artists started. Adding the inside surface of the air cleaner to the outside adds a huge amount of filtering area. With the integrated radiused air inlet this air cleaner showed some of the highest flow numbers that Ness ever tested. The