Big Bore Cylinder Kit, 180cc GY6 Engine

On sale $49.95
Retail Price:$79.99
Your Savings:$30.04(38%)
In Stock
Catalog Number:CYLD-0180-U1
  • Head Assemble with 64mm Valves
  • 100cc Cylinder
  • 100cc Piston & Ring Set, with wrist pin and Cirq clips
  • Head and Base Gaskets
Includes: Cylinder, 61 mm piston, clips, piston pin, head gasket and base gasket, 

If the fins on your cylinder look different than the one in the picture then the kit may not work.
May require the case to be milled.
The OD of the bottom of the cylinder is 65 mm.

Please NOTE: If you open the gaskets, if you install the rings, if the kit is installed in anyway you CANNOT return it.

  • 58.5mm Kit (155cc) – No machining needed
  • 61mm Kit (170cc) – Machine cases to 65.15mm ± 0.075
  • 62mm Kit (175cc) – Machine cases to 65.15mm ± 0.075
  • 63mm Kit (180cc) – Machine cases to 65.15mm ± 0.075


Cam, Performance Racing Cam A9 GY6 150cc
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