High Performance CNC 4-AXE / UFO / Maltese Cross Aluminum Cylinder Head for 60cc–80cc Motorized Bike Engines

Upgrade your 2-stroke motorized bicycle with the High Performance Round CNC 4-AXE Aluminum Cylinder Head, engineered to deliver better cooling, improved durability, and more efficient combustion than standard stock heads. Precision-machined from premium billet aluminum, this high-compression cylinder head is designed for 60cc / 80cc motorized bike engines, offering a reliable performance boost for riders who want cooler running temperatures and smoother power output.

The CNC-cut round fin design maximizes heat dissipation, helping prevent overheating during long rides or high-RPM operation. Whether you're commuting daily or building a high-performance motorized bicycle, this upgraded head provides a measurable improvement in engine longevity and overall performance.

Key Features & Benefits

• Precision CNC-Machined Aluminum
  Built from high-quality billet aluminum for superior strength, heat dissipation, and long-term reliability.
• Improved Cooling Efficiency
  Round fin design rapidly disperses heat, helping your 2-stroke engine run cooler and reducing the risk of overheating.
• High-Compression Combustion Chamber
  Enhances combustion efficiency for smoother acceleration and potential gains in torque and top-end performance.
• Direct Bolt-On Replacement
  Compatible with most 60cc and 80cc motorized bicycle engines. No special tools or modifications required.
• Enhanced Engine Reliability
  Cooler operating temperatures help extend engine life, especially during long rides, steep climbs, and hot-weather riding.
• Sleek CNC Finish
  Adds a performance-engineered look to your build while offering tighter, more consistent tolerances than cast stock heads.

What This Cylinder Head Does

This CNC aluminum cylinder head replaces your stock head to:

• Improve engine cooling
• Increase compression efficiency
• Deliver smoother, more responsive power
• Reduce overheating during prolonged or high-load use
• Support higher-performance riding styles

It’s an ideal upgrade for riders looking to improve the reliability and performance of their 60cc/80cc 2-stroke motorized bicycle engine without complicated modifications.