235cc Big Bore Cylinder Piston Top Kit 67mm for Honda CRF230F CRF 230F 2003-201967mm Big Bore Cylinder Piston Gasket Top End Rebuild 235cc Kit For Honda 2003 2019 CRF230F CRF 230F Features: If your cylinder blows through, the compression is too low, or even a piston seizure has occurred, then this kit is exactly the right thing for you. Kit includes cylinder, forged piston, rings, pin, clips & top end gasket kit (you get exactly what is pictured). Piston is anodized for superior heat resistance and longer lifespan. The gaskets