Vortex Racing Aluminum Rear Sprocket 520 48 Tooth- Silver

Vortex Rear Sprockets are made to precise specifications from aluminum ensuring concentricity and durability. Lightening holes reduce rotating mass.

This Part Fits:

Year	Make	Model	Submodel
1979-1983	Yamaha	IT250	Base
1980,1983,1997-1998	Yamaha	YZ125	Base
1979-1981,1983-1984	Yamaha	YZ250	Base
1986-1990	Yamaha	YZ490	Base