New engine rebuild kit for CRF 250R Hot Rods Crankshaft and connecting rod (fully assembled)  Wiseco 78mm forged piston Cam Chain Air Filter  Spark Plug Oil Filter Crankshaft bearings Complete gasket & seal kit made to meet or exceed OEM*   All new assembly * Factory assembled and trued to within .001. * Ready for installation. * Crankshafts are completely rebuildable.