Naraku GY6 58.5mm Big Bore Kit
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.
- 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