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Naraku GY6 58.5mm Big Bore Kit

Naraku Performance PartsNaraku 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.

  • 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

$108.99

10 in stock