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Naraku

Naraku GY6 58.5mm Big Bore Kit - Forged Piston

Naraku GY6 58.5mm Big Bore Kit - Forged Piston

Regular price $159.99 USD
Regular price Sale price $159.99 USD
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YMS V8Naraku 58.5mm Forged Piston Big Bore Kit for 150cc and 125cc 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
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