OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

This Part Fits:

Year	Make	Model	Submodel
2007-2022	Honda	CRF150R	Base
2007-2009,2012-2021	Honda	CRF150R Expert	Base