Pistons are the heart of your vintage 2-Stroke and VintCo high quality pistons will help you keep the ride going!   These Pistons are made with modern materials and manufacturing techniques to ensure an as good or better than OEM fitment and performance. This Rotax/Can Am 175cc TnT MX Qualifier SWM Piston Kit 63.5mm (+1.5mm over) includes the piston, rings, pin and clips to help you get back on track with ease.  A wrist pin bearing is available separately and more size options are also available.  A high quality VintCo piston kit is a great investment in your vintage motorcycle.