K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set Constructed from premium aerospace grade

Constructed from premium aerospace grade titanium

Graves Motorsports Rear Axle Alignment Tool for the 2023 ZX-4RR + 2018-2023 + Ninja 400 and 15-23 + Yamaha R3

w/ Insert (sold seperately) DB at Idle 84 / DB at 5000rpm 103 (without insert): 87 @ Idle / 104

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

K & N Air Filter - CBR500R HA-5013 Replacement Clutch Spring Set Constructed from premium aerospace gradeFits 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.