Koso 150cc Big Bore Kit

Made from the best components available on the market, the 150cc Big Bore kit is the perfect addition to upgrade your performance! The kit includes a black powder coated cylinder, 54 mm forged piston, rings, pin and gasket kit. Its compression ratio of 11.38 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor.

FEATURES

• Cylinder Displacement: 150cc
• Cylinder Material: Aluminum / Black powder coated
• Piston Size: 54 mm
• Piston Type: Forged
• Compression Ratio: 11.38:1
• Includes:
  • Piston Ring
  • Piston
  • Pin
  • Gasket Kit
  • Cylinder

NOTE: This is an aftermarket part built for racing purposes only.