Brass Balls Cycles has designed a timeless air cleaner cover inspired by all things performance. Machined from 6061-T6 aircraft grade billet aluminum. If you already have a round 5.5 in. diameter air cleaner and would like to upgrade the look of your bike, you can simply replace your
existing air cleaner cover with the F1. Its the easiest custom design upgrade you can do to your bike. Carbon fiber backer insert included.
Fits most 5.5 in. diameter, center bolt mount air cleaners
Includes 5/16-18 3/4 in. counter sink stainless bolt
Made in USA
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