## Complete Cylinder with Head 47.00mm 80cc 13mm Piston Pin with EGR Large Valves 139QMB/QMA (GY6 50) 4T Boost your scooter's power with this complete 80cc cylinder kit! Perfect for popular 139QMB/QMA (GY6 50) 4T models, this high-quality kit includes everything you need for a simple and effective upgrade. ### Durability and Precise Manufacturing The cylinder is made of durable cast iron, guaranteeing long life and wear resistance. The kit includes a piston, rings, a 13mm piston pin, safety devices, and all necessary gaskets. Precise manufacturing ensures optimal engine operation and minimizes power loss. ### Aluminum Head with Large Valves The kit also includes an aluminum head with complete, large valves, springs, and gaskets. The large valves provide better gas flow, which translates to higher power and better performance. The head is designed for efficiency and reliability. ### Increased Capacity and EGR System The 80cc cylinder is the ideal solution for those who want to increase the power of their scooter. The enlarged combustion chamber in the head further improves efficiency. The kit is adapted to the EGR (Exhaust Gas Recirculation) system, which contributes to reducing exhaust emissions and environmental protection. It is also possible to block the EGR system. ### Easy Installation and Perfect Fit The kit is a perfect replacement for the original cylinder and is ideal for changing the vehicle's capacity. The stud spacing is 50mm (measured diagonally or side to side), ensuring hassle-free installation. Choose quality and select the complete cylinder with head 47.00mm 80cc!