QuadBoss 04-05 Yamaha YFZ450 High-Performance CDI

These CDI Boxes are designed to unleash the power and enhance overall performance. Includes duplication circuits for maximum reliability, increased RPM redline and altered ignition advance curves to increase performance throughout the RPM range

This Part Fits:

Year	Make	Model	Submodel
2004-2005	Yamaha	YFZ450	Base