The OS ENGINES Parts 29122540 RC Model Silencer Gasket is a must-have for your E-5020 120AX model. This gasket is specifically designed to fit your model's silencer, ensuring a tight seal and optimal performance. Made from high-quality materials, this gasket is durable and long-lasting, making it a reliable addition to your RC model vehicle parts and accessories. With a compatible scale of 1:20, it is a perfect fit for your model. Upgrade your exhaust system and mufflers with the OS ENGINES Parts 29122540 RC Model Silencer Gasket for E-5020 120AX.