O.S. Thermo Insulator 21J3 (OSMG6212)

The O.S. Thermo Insulator 21J3 is a high-quality accessory designed to enhance the performance of O.S. engines. This insulator serves to provide an essential barrier, reducing heat transfer from the engine to the carburetor. Its application results in more stable engine performance, making it a preferred choice for model enthusiasts looking for reliability and efficiency in their engines.