Cylinder head is KDX250, same combustion chamber but with rubber dampers for less fin-ring.
Combustion chamber is perfect.
Piston looks near-new.
Is .5mm oversize Wiseco.
Bore is perfect, been re-sleeved, race-ready.
No broken fins on left side of barrel, check hone marks in bore.
No broken fins on right side.
Kick spline is perfect.
Splines on the left side are perfect, still has sprocket-cover lugs, one has broken screw in (no problem).