Vertex Top End Rebuild Kit (C)These piston kits ease the repair process by saving time and money. They come with everything needed to replace your piston, top end gaskets, and wrist pin bearing (for two strokes) when the time comes. Features: Included are the piston, rings, wrist pin, circlips, top end gaskets, and even wrist pin bearing (for two stroke applications). Four stroke kits include a free camchain. Case hardened and highly wear resistant wrist pins have anti galling