Brand new Hyway 52mm cylinder/piston kit. Fits Stihl chainsaw models MS640, MS650

*Can also be installed on 064 by slotting cylinder base mounting holes to line up with the narrower bolt pattern found on the 064.

The kit includes Nikasil plated cylinder, piston, rings, wrist pin, circlips, and gaskets. Also includes Oregon spark plug.

Does not have decompression port (the port location in the casting is permanently plugged from the factory).

High quality kit with 1 year warranty against defects.

Wolf Creek Saw Shop is a proud U.S. seller, we ship within 1 day of receiving payment, and you will get your parts quickly!