Description Brand new 51mm Hyway Nikasil cylinder/piston kit. Fits Partner, Husqvarna concrete cut-off saw models K760 version 2 and K770.  Does not fit K760 version 1. Please compare the shape of your cylinder to the photos to make sure its the same if you have the K760 and are unsure if you have version 1 or 2. Kit includes Nikasil plated cylinder, piston, rings, wrist pin, circlips, and Oregon spark plug. Nice kit made by Hyway with 1 year warranty against defects. We are a U.S. seller, we ship within 1 business day, and you will get your parts quickly!