Premium 57mm Motorcycle Cylinder Head - High-Performance Engine Upgrade

Precision-crafted from aerospace-grade aluminum alloy for superior heat dissipation and durability. CNC-machined to exact 57mm specifications, ensuring perfect fit for GY6 150CC engines.

Direct bolt-on compatibility with EFI systems, delivering instant horsepower boost and smoother acceleration. Mirror-polished combustion chamber reduces carbon buildup for longer engine life.

Ideal for scooter performance upgrades, engine rebuilds, and professional tuning applications. Includes pre-installed valve guides and ready-to-mount surface finish.

Factory-direct pricing with bulk order discounts available. Strict quality control with pressure testing certification. Ships globally with OEM-level packaging.