## Complete Cylinder Head 44.00mm 60cc EGR 139QMB/QMA (GY6 50) 4T Boost your scooter's performance with the complete cylinder head 44.00mm 60cc EGR, designed for 139QMB/QMA (GY6 50) 4T engines. This high-quality cylinder head offers increased 60cm³ capacity and a 44.00mm piston diameter, resulting in a noticeable performance boost. ### Compatibility and Performance The cylinder head is precisely engineered for 139QMB/QMA (GY6 50) 4T engines, ensuring a perfect fit and hassle-free installation. The increased 60cm³ displacement and 44.00mm piston diameter provide higher power and better acceleration, improving riding dynamics. ### EGR Technology This cylinder head is compatible with the EGR (Exhaust Gas Recirculation) system, which contributes to reduced emissions. The EGR system recirculates a portion of exhaust gases back into the intake system, reducing nitrogen oxide production. However, it's worth noting that removing or disabling the EGR system can lead to an additional power increase. ### Durability and Reliability The robust construction and high-quality materials guarantee long life and reliability. Investing in this cylinder head ensures improved performance and trouble-free operation of your scooter.