Hyway cylinder and pop up piston with Caber rings for Stihl 066 MS660 54mm

Description Brand new Hyway cylinder with pop up extra compression piston kit. Fits Stihl chainsaw models 066 and MS660. High quality kit that comes with a 1 year guarantee. The kit includes 54mm Nikasil plated cylinder, pop up piston, 2 Caber rings (made in Italy these are the best rings you can get), wrist pin, circlips, gaskets, and Oregon spark plug.  These pop up pistons are impressive, they normally add at least 10 psi compression over the original style flat top piston. More compression equals more power. 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!