K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set 4 lb weight savings

4 lb weight savings

2020 + 390RR / 390RRS

The exhaust valve race uses the factory exup hardware alongside the Graves EVR valve and custom mapping to improve low to mid-range rpm and small throttle opening torque and drivability to create and better powerband and ride

Constructed from premium aerospace grade titanium

K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set 4 lb weight savingsFits directly into OEM airbox with application specific Sealing Bead to ensure a precise fit Fuel management modifications are not required for increased performance Pleated media provides a large filtration area offering long service intervals Designed to provide increased performance Made in the U. S. A.