Cylinder head for kit cast BARIKIT Ø40,3mm 50cc engine or origin minarelli am6

Here is the high compression BARIKIT aluminum cylinder head, cylinder head that is the replacement of cast iron 50cc Ø40,3mm BARIKIT kit, it can also be mounted on a cylinder origin minarelli am6 euro 2 (cast iron) to improve engine performance of original optimizing the compression ratio. The room is a hemispheric model, polished finish. Delivered naked as presented.