Air and Fuel› Air Cleaners, Filters, Intakes and Components
K&N Engineering
K&N 4in ID / 5.25in OD / 2in H Custom Assembly Filter designed to fit Harley-Davidson Motorcycles
SKU: K001 RK-320B
Beginner — under 30 min
Description
Part #: RK-320B
K&N custom air cleaners are designed for use on older Harley-Davidson motorcycles. With proper carburetor calibration, these custom air cleaners can increase horsepower on your bike. Each custom air cleaner comes with a K&N high-flow air filter. These air cleaners are perfect for many applications, such as racing or off-roading. This custom air cleaner has a 2.625 in (67 mm) inlet and comes with one gasket. The back-plate is pre-drilled. Included is a dome-shaped chrome cover.
This K&N custom air cleaner was designed to fit Harley-Davidson motorcycles. This K&N air cleaner is not street legal nor recommended by Harley-Davidson Motor Co., Inc. .
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | K&N Engineering |
| Part Number | K001 RK-320B |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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