58.5mm Big Bore Cylinder Set for 4 stroke Scooter 152QMI 157QMJ GY6 125 GY6 150

Description

GY6-125/150(152QMJ) 58.5MM BIG BORE CYLINDER KIT
Description:
For GY6-125cc(152QMI), please replace with a GY6-150cc(157QMJ) cylinder head at least to work along with the 58.5mm big bore cylinder kit if you don't cost too much in a 58.5mm performance cylinder head.
I/D of Cylinder Block 58.5MM
O/D of Cylinder Block 62mm (thicker than the common 60.5mm, which makes it much tougher and more durable. For the majority of GY6 engines, it can be installed without needing crankcase machining; but for a few GY6 engines, it may need crankcase machining when the O/D is thickened into 62mm).
NOT fits GY6 50cc engines.
Package Includes:
1x 58.5mm cylinder
1x piston kit
2x gaskets ( include gasket for head, base )
2x G-Ring
As Picture Shown
PLEASE CHECK THE FITMENT BEFORE YOU BUYING！
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On Sep-16-17 at 22:04:25 PDT, seller added the following information: