## Complete Piston 39.80/13/17.2 50cc Meteor 139QMB/QMA (GY6 50) 4T This high-quality Meteor complete piston with a diameter of 39.80mm is the perfect solution for your 139QMB/QMA (GY6 50) 4-stroke 50cc engine. It provides optimal performance and reliability, restoring your scooter's power. ### Precision and Durability Meteor, an Italian brand with over fifty years of tradition, specializes in the production of pistons for two- and four-stroke engines. Meteor pistons are known for their precision manufacturing and high-quality materials, guaranteeing long life and trouble-free operation. This specific piston model has the following dimensions: * Piston Diameter (T): 39.80mm * Distance from Wrist Pin Axis to Piston Crown (C): 17.2mm * Wrist Pin Diameter (Ød): 13mm ### Technology and Innovation Meteor pistons for four-stroke engines, such as this one, are produced by casting and forging from an aluminum alloy with 13% silicon content. Additionally, the piston is coated with a layer of molybdenum and graphite, which reduces friction and increases its lifespan. Hardening by anodizing ensures even greater wear resistance. ### Trust the Experience Meteor is a globally recognized brand, and its products are distributed in over 60 countries. By choosing a Meteor piston, you are investing in proven quality and reliability, backed by many years of experience in the industry. ### Compatibility: * 139QMB/QMA (GY6 50) 4T * 50cc