GY6 SCOOTER 63MM BIG BORE 180CC PERFORMANCE CYLINDER KIT RACING HI COMP TWPO

GY6 125 & 150CC  63MM OVERSIZE PISTON KIT. MAKES THE 150CC SCOOTER A 180CC SCOOTER. EXCELLENT QUALITY KIT AND RACE PROVEN. INCLUDES PISTON, RINGS, CLIPS, PISTON PIN AND NECESSARY GASKETS.PISTON IS SLIGHTLY DOMED, 54 MM SPACING. WILL NEED CRANKCASE BORE TO ACCEPT THIS KIT. TAIWAN QUALITY