## Lower Timing Chain Guide 139QMB/QMA(GY6) 4T This lower timing chain guide is an essential component for any GY6 4T engine, ensuring smooth and trouble-free operation. Designed specifically for 139QMB/QMA(GY6) 4T engines, it guarantees a perfect fit and long-lasting reliability. ### Why choose this guide? * **Precise manufacturing:** The guide is made of high-quality materials, resistant to wear and high temperatures, which translates into a long service life. * **Perfect fit:** Dedicated design for 139QMB/QMA(GY6) 4T engines ensures trouble-free installation and correct operation. * **Reliability:** Stable timing chain guidance minimizes the risk of it skipping and damaging the engine. * **Peace of mind and safety:** Investing in a solid chain guide guarantees a quiet and safe ride. ### Application: * 139QMB/QMA(GY6) 4T engines * Scooters, mopeds, and other vehicles with GY6 4T engines By choosing this timing chain guide, you are investing in the reliability and safety of your vehicle.