GY6 125cc 150cc 57.4mm Cylinder Head Assembly 4 Stroke With Gasket Plug Bolts

57.4mm Cylinder Head Assembly
For GY6 125cc / 150cc 4-Stroke Engines

Restore your engine’s performance with this complete 57.4mm cylinder head assembly, manufactured to OEM specifications for GY6 4-stroke engines. Supplied with head gasket, spark plug and valve cover bolts, this kit is ideal for top-end rebuilds, repairs, or replacement of worn or damaged cylinder heads.

Precision machined for proper sealing, smooth airflow and reliable combustion.

🔧 Features

• Bore size: 57.4mm

• High quality aluminium alloy cylinder head

• Precision machined combustion chamber and valve seats

• Direct bolt-on replacement

• Designed for long service life and stable performance

🚗 Fitment

Suitable for most GY6 4-stroke engines, including:

• GY6 125cc (152QMI)

• GY6 150cc (157QMJ)

• Scooters / Mopeds

• ATVs / Quad Bikes

• Go Karts / Buggies

• Pit Bikes with GY6 engines

Compatible with many Chinese brands such as Taotao, Roketa, Baotian, Znen, Jonway, Bashan, Kymco-style GY6 and more.

📦 Package Includes

• 1 × 57.4mm Cylinder Head

• 1 × Head Gasket

• 1 × Spark Plug

• 4 × Valve Cover Bolts (Rocker Cover Mounting Bolts)

(Exactly as pictured)