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GY6 150 61mm Performance Cylinder Kit No Bore on Case
This kit from NCY will drop right in with boring your case out.
Great upgrade when used with 61/62mm head and cam shaft. The Larger head is needed for correct compression and larger valves to allow more air and fuel in and exhaust out for better performance at 170cc
Not all or any other 61mm kits will drop in like the NCY which was developed for the Genuine GY6 150 engines but works in all that we have come across in 10 years.
48 Lower States Only