Naraku GY6 58.5mm Big Bore Kit

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SKU: 137-61

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Current Stock: 16

Naraku 58.5mm Big Bore Kit for 125cc and 150cc GY6 4-stroke engines and engine based vehicles. Easy to install! Just bolt on with no crankcase modifications needed.

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  • Bore: 58.5mm
  • Outer Sleeve Diameter: 60.3mm
  • Displacement Increase to 155cc
  • Overall Height (cylinder): 91.5mm
  • Stud Spacing: 76.5mm
GY6 QMI/QMJ 152/157, Various unlisted makes/models

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