K&N Harley Davidson Sportster RK Series Custom Air Cleaner Assembly
Fits 2004-2013 - KNRK-3929

K&N's Sportster RK Series Air Cleaner will get more horsepower from your Harley Davidson Sportster motorcycle. This complete assembly fits inside the stock air cleaner cover, and provides a significant increase in airflow.

• Increases power
• Washable and reusable
• Provides increased air flow
• Fits inside stock cover