
Original: $169.99
-65%$169.99
$59.50The Story
Naraku 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.
- Bore: 58.5mm
- Outer Sleeve Diameter: 60.3mm
- Displacement Increase to 155cc
- Overall Height (cylinder): 91.5mm
- Stud Spacing: 76.5mm

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Naraku 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.
- Bore: 58.5mm
- Outer Sleeve Diameter: 60.3mm
- Displacement Increase to 155cc
- Overall Height (cylinder): 91.5mm
- Stud Spacing: 76.5mm





















