58.5mm Performance 155cc Big Bore Cylinder Kit & Head GY6 125cc 150cc Scooter

  
58.5mm Performance 155cc Big Bore Cylinder Kit & Head GY6 125cc 150cc Scooter. Here, we offer a set of performance parts for Chinese GY6 125/150cc Scooter Moped. Engine numbers likes 152QMI or 157QMJ.

This cylinder kit can be directly bolt on. You don't need to do some boring on the engine case. 1,58.5mm Big Bore Cylinder Kit. 2, Big Cylinder Head w/ Valve Installed. 3, Piston, rings and pins included.

5, Performance Alloy Big Intake. 6, 6 Pieces Performance Roller weights 17g (Please leave a note if you need change to other size). All kits in the picture. 95.98% same day actually. For weekends and national holidays.

Your order will be sent to the address given at checkout. We believe good communicationcan solve any problem and bring us good relationship.