Universal Parts GY6 63mm Big Bore Cylinder Kit
- Upgrades to 180cc!
- Bore: 63mm
- Overall Height: 90.5mm
- Cylinder Sleeve Outer Diameter: 64.9mm
Universal Parts 63mm Big Bore Cylinder Kit for 150cc GY6 4-stroke engines. Upgrades to 180cc based on a stock stroke of 57.8mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket.
*You may need to modify your engine case to accommodate the larger cylinder.