Cylinder head Ø40mm for kit 50cc POLINI cast iron on vertical minarelli (booster, bws ...)

The special POLINI spare cylinder head only for 50cc, 40mm POLINI cast iron cylinder / piston kit. It is machined specifically because a part of the high cylinder enters the cylinder head for a better holding of the O-ring and so that the chamber is perfectly aligned.



It has a high compression chamber frustoconical polished finish.