## Complete Cylinder Head 39.00mm 50cc EGR 139QMB/QMA (GY6 50) 4T This complete cylinder head with a diameter of 39.00mm is a high-quality replacement part for scooters with a 139QMB/QMA (GY6 50) 4T engine. It is ideal for vehicles with a capacity of 50cm³ and ensures optimal performance. The cylinder head is brand new and ready for installation, however, it is recommended to adjust the valve clearance before installation. ### Product advantages: * **Precise manufacturing:** The cylinder head is manufactured with attention to detail, which guarantees its durability and reliability. * **EGR compatibility:** The product is adapted to the Exhaust Gas Recirculation (EGR) system, which contributes to reducing harmful emissions. * **Optimal performance:** The cylinder head ensures optimal engine operation, contributing to a smooth and dynamic ride. * **Easy installation:** The product is easy to install and fits perfectly with 139QMB/QMA (GY6 50) 4T engines. * **High quality:** The cylinder head guarantees long and trouble-free operation. ### Technical specifications: * Piston diameter: 39.00mm * Capacity: 50cm³ * Compatibility: 139QMB/QMA (GY6 50) 4T * EGR: Yes