## Valve Rocker Arm Set for Long Valves 139QMB/QMA (GY6 50) 4T This valve rocker arm set is specifically designed for 139QMB/QMA (GY6 50) 4T engines with long valves. It provides precise valve control, resulting in optimal engine performance and improved power output. The high-quality construction guarantees long life and reliability even under demanding operating conditions. ### Why choose this valve rocker arm set? * **Perfect fit:** The set is dedicated to 139QMB/QMA (GY6 50) 4T engines with long valves, ensuring hassle-free installation and proper operation. * **Precise operation:** The rocker arms provide accurate valve control, which contributes to optimal combustion and improved engine efficiency. * **Durability and reliability:** Made of high-quality materials, the rocker arms are resistant to wear and tear, ensuring a long service life. * **Easy installation:** The set's design facilitates easy installation and removal, saving time and simplifying maintenance. ### Application: * 139QMB/QMA (GY6 50) 4T engines with long valves * Scooters and mopeds This valve rocker arm set is the perfect choice for those who value quality, reliability, and precise operation. It will ensure optimal engine performance and contribute to improving the performance of your vehicle.