NCY BIG VALVE RACING CYLINDER HEAD (52mm, 88cc) FOR QMB139 MOTORS
Weight:3.2 kg
1100-1435
NCY BIG VALVE RACING CYLINDER HEAD FITS 52mm (81cc) BORE CYLINDERS 64mm 2-VALVE: 21.5mm INTAKE / 19mm EXHAUST FACTORY PORTED: 24mm INTAKE / 22mm EXHAUST PAIR WITH NCY 52MM CYLINDER KIT FOR A 88cc BIG BORE KIT. THIS ITEM CAN BE FOUND IN OUR STORE MADE IN TAIWAN