This is a new, top quality, Namura piston and rings kit for ALL year models 2000-2006 Honda TRX350 Rancher 2x4 & 4x4. Don't waste your time rebuilding your motor with cheap quality, inferior parts. Build it right the first time with this top quality kit. This kit comes complete with the piston, rings, wrist pin and circlips. It comes in standard, 1st, 2nd, 3rd and 4th oversize, so be sure to select the correct size. If you simply need replacement rings, we offer these as well. Also, since you're rebuilding your top end, you'll need the gaskets, which we offer in our store. Keep in mind, if your cylinder needs machining, we offer complete machine work as well---check out our services.