RM Scooter GY6 150cc High Performance 63mm Cylinder Big Bore Kit (TAIWAN)63mm Big Bore Kit for the GY6 150cc scooter engines 157QMJ. REQUIRES BORING OUT YOUR CASE Includes Cylinder, Cast Piston, Gaskets, Rod, Clips. Brings you total CC to 180cc. Made in Taiwan

Carbon fiber (not real)

63mm Big Bore Kit for the GY6 150cc scooter engines 157QMJ

Will work for 200cc fuel injection

GY6 125cc/150cc High-Performance Racing Scooter with NCY Torque Spring at 1000 RPM

Kit includes

Weights must be staggered in the variator

Ships USPS Priority Mail

NOT A UPGRADE ITEM

TFC Performance Clutch  For the GY6 150cc engines

Include in the kit

perfect for monster engine

100% high quality Taiwan Made