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Universal Parts GY6 63mm Big Bore Cylinder Kit

$79.99
SKU: 164-310

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Current Stock: 29

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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.
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  • Upgrades to 180cc!
  • Bore: 63mm
  • Overall Height: 90.5mm 
  • Cylinder Sleeve Outer Diameter: 64.9mm
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GY6 QMI/QMJ 152/157, Various unlisted makes/models