Naraku 58.5mm Cylinder Kit – GY6 160cc – Part #NK600.03F

Naraku 58.5mm Cylinder Kit (NK600.03) — engineered for riders who want more torque, higher top speed, and smoother acceleration. This high-quality kit boosts your stock 150cc GY6 engine to approximately 160cc, delivering a noticeable increase in performance while maintaining reliability and everyday rideability.

Manufactured by Naraku Performance, this kit is built from premium cast aluminum with a durable iron sleeve, ensuring excellent heat transfer, longevity, and consistent compression. Perfect for both daily riders and performance enthusiasts.

Features:

• Genuine Naraku Performance cylinder kit

• Fits all standard GY6 125cc / 150cc engines (157QMJ / 152QMI)

• 58.5mm bore increases displacement to ~160cc

• High-strength cast aluminum with iron liner

• Optimized port design for improved air-fuel flow and combustion

• Compatible with stock or performance cylinder heads

• Includes cylinder, piston, rings, wrist pin, and clips
  

Specifications:

• Brand: Naraku

• Part Number: NK600.03F

• Bore Size: 58.5mm

• Displacement: 160cc (approx.)

• Engine Type: GY6 125/150cc (152QMI / 157QMJ)

Compatibility:
Fits most scooters, buggies, and ATVs with GY6-style engines