Universal Parts GY6 63mm Big Bore Cylinder Kit


*You may need to modify your engine case to accommodate the larger cylinder.
- Upgrades to 180cc!
- Bore: 63mm
- Overall Height: 90.5mm
- Cylinder Sleeve Outer Diameter: 64.9mm
GY6 QMI/QMJ 152/157, Various unlisted mak
$79.99