O.S. No.8 RC Glow Plug

The O.S. No.8 glow plug is a popular medium-heat plug designed for glow powered Rc engines. It offers reliable ignition, stable idling and consistent performance across a wide range of conditions, making it a dependable choice for many engines. Its durable construction helps support regular running and tuning, while the medium heat rating provides a good balance between responsiveness and engine protection. Always check your engine manufacturer’s recommendations to confirm compatibility before fitting.