CYLINDER WORKS YAM WR450F 16-18, YZ450F 01-17, YZ450FX 16-18 Category_Fork Boots Integrated safety wire grooves allow

Integrated safety wire grooves allow for extra security in high-performance racing applications

designed to prevent accidental brake or clutch engagement

Significantly reduces engine heat build-up by removing the bulky catalytic converter from the system

Lightening and drill hole patterns are as per OEM designs to improve braking performance and reduce the temperature of the rotor

Certification:

CYLINDER WORKS YAM WR450F 16-18, YZ450F 01-17, YZ450FX 16-18 Category_Fork Boots Integrated safety wire grooves allowReplacement cylinders, look just like stock. Features: Nickel silicon carbide plated for longer life. No machine work needed.* Replacement cylinder for standard bore only.