MORTCH 180cc(GY6 Big Bore) High Performance Cylinder Kits for 125cc 150cc (61mm) for Scooter ATV Go Karts Moped

180cc(GY6 Big Bore) high performance cylinder kit for 125cc/150cc GY6-1P52QMI/GY6-1P57QMJ scooter engines. This scooter upgrade kit is a high quality kit that is perfect for upgrading your old 125cc/150cc 1P52QMI/1P57QMJ engine to 180cc so you don't get left behind in today's fast paced world.

Installing this upgrade kit will increase your engine bore size to 180cc, and includes an aluminum cylinder, piston, piston rings, and gaskets. After installation, you will see an immediate increase in low end acceleration and an increase in top speed!

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Note: Please make sure this scooter parts fits your particular scooter model. Many scooters have the same name but use different parts depending on the year of manufacture.