VERTEX Komplettes Top End Kit - Replica SchmiedekolbenThe Top end kits do not contain the ignition or clutch cover gasket make sure to get it for the timing chain change Easing the repair process by saving time and money Vertex Pistons Top End Piston Kits come with everything needed to replace your piston, top end gaskets, and wrist pin bearing (for two strokes) when the time comes. Included piston rings piston pin circlips top end gaskets and even needle roller cage (for two stroke applications). Four