Vertex Top End Rebuild Kit - Forged Piston (B)VERTEX TOP END ENGINE REBUILD KIT 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 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! VERTEX Piston Features Manufactured