K&N Custom Assembly KRK-3930 Category_Trail Tech Adaptors & Sensors automatically activating the fan when

automatically activating the fan when temperatures meet or exceed your desired temperature setting

All brake disc discs meet or exceed original fitments

Max Vision® technology provides a clear view throughout the complete eye port of the shield

Motobatt Pulse mode provides a high-frequency pulse charge to help the newly recovered battery to continue to accept charge as it enters the reconditioning phase

K&N Custom Assembly KRK-3930 Category_Trail Tech Adaptors & Sensors automatically activating the fan whenThe K&N RK 3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley Davidson engine. Built around the legendary K&N High Flow Air Filter, this RK Series assembly includes an innovative powder coated billet aluminium backplate that eliminates external breathers and features a built in, dyno tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly