Upgrade your motorcycle's ignition system with our premium CDI Box, a high-performance replacement part designed to enhance the reliability and efficiency of your engine. This CDI unit is perfect for riders seeking improved performance and easy installation. Versatile Fitment for Various Engines: This CDI Box is compatible with 4-stroke GY6 engines ranging from 50cc to 150cc, including models 139QMA, 139QMB, 152QMI, and 157QMJ. Its versatile design ensures it fits a wide range of scooters and motorbikes, making it a valuable upgrade for many riders. Enhanced Electronic Performance: Featuring high-end electronic components, this CDI Box improves heat dissipation and charging capabilities. These enhancements ensure your engine runs smoothly and efficiently, providing better performance and reliability over time. Superior Quality Exceeding OEM Standards: Crafted to exceed original equipment manufacturer (OEM) specifications, this CDI Box offers superior quality and performance. Designed to work seamlessly with your motorcycle, it ensures optimal function and longevity. Direct Replacement for Damaged Parts: If your motorcycle's CDI unit is damaged or outdated, this high-quality replacement offers a direct solution. It's engineered to replace old parts effortlessly, restoring your bike's ignition system to peak condition. Easy Installation and High Durability: With a plug-and-play design, this CDI Box offers straightforward, direct installation without the need for complex modifications. Its high reliability and durability make it a long-lasting solution for your motorcycle's ignition needs. Transform your riding experience with our top-tier CDI Box, designed to elevate your engine's performance and reliability. With its easy installation and superior quality, this essential replacement part is a must-have for motorcycle enthusiasts seeking efficiency and power.