Seller notes

72cc / 80cc CYLINDER HEAD WITH 69mm VALVES INSTALLED FOR MOTORS WITH 47mm CYLINDER BORE * CYLINDER HEAD* 47mm BORE* VALVE LENGTH: 69mm* OVERALL HEIGHT: 59.60mm* INTAKE PORT DIAMETER: 18mm* EXHAUST PORT DIAMETER: 18mm * EXHAUST BOLT HOLE SPACING: 50mm* INTAKE BOLT HOLE SPACING: 45mm *PLEASE BE SURE THAT YOUR OLD PART IS 69mm VALVE LENGTH. IF NOT THIS PART WILL NOT WORK FOR YOUR BIKE* FITS SOME MODELS OF TAOTAO, JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, GATOR AND MANY OTHERSSHIPS FROM SHELBY, NCJ...

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