New in factory box. Cylinder made in the USA by Cylinder Works. Piston kit made in Italy by Vertex.
Part #: CW31016K01
Bore: 81mm (+3mm over stock) big bore makes 270cc
Kti includes big bore cylinder, big bore piston kit, and top end gasket kit.
FITS ONLY:
2020 Kawasaki KX 250 F
Does not fit any other years or models