## Complete Cylinder Head 57.40mm 150cc 152QMI/157QMJ (GY6 125-150) 4T This complete cylinder head with a diameter of 57.40mm is the perfect solution for 150cc 152QMI/157QMJ (GY6 125-150) 4T engines. The cylinder head is ready to install, which significantly simplifies and speeds up the repair or tuning process. ### Precise workmanship and high quality The cylinder head is made of high-quality materials, guaranteeing its durability and long service life. Precise workmanship ensures a perfect fit to the engine, which translates into optimal performance and efficiency. ### Increase your engine's performance Replacing the cylinder head is a great way to improve engine performance. The new cylinder head will provide better compression, which will increase power and torque. ### Easy installation The complete cylinder head is ready to install, saving time and simplifying the repair process. Thanks to this, even less experienced mechanics will be able to replace the cylinder head themselves. ### Compatibility: * 150cc 152QMI/157QMJ engines * GY6 125-150 4T engines