## Piston Pin 13x34mm 60cc 139QMB/QMA (GY6 50) 4T - Durability and Precision for Your Scooter This 13x34mm piston pin is an essential component for any GY6 4T 60cc engine, commonly found in 139QMB/QMA (GY6 50) scooters. Made of steel, it guarantees reliability and long service life, ensuring smooth engine operation for many miles. ### Excellent Parameters for Optimal Performance The piston pin is precisely manufactured, resulting in a perfect fit to the piston and connecting rod. The 13mm outer diameter and 34mm length comply with the 60cc engine specifications, ensuring optimal performance and minimizing energy loss. ### Compatibility and Application This piston pin is dedicated to 139QMB/QMA (GY6 50) 4T engines with a capacity of 60cc, commonly used in scooters. Its robust construction and high-quality workmanship make it an ideal choice for those who value reliability and durability. ### Key Benefits: * **Durability:** Made of steel, resistant to wear and tear. * **Precision:** Perfect fit for the 139QMB/QMA (GY6 50) engine. * **Long service life:** Guarantee of trouble-free operation for a long time. * **Easy installation:** Simple and quick installation, without the need for specialized tools.