??Suitable for the engine with higher speed.
??Suitable for Long-lasting Medium temperature.
??Apply to R/C Helicopter engines?AR/C Airplane engines and R/C Car engines.
NOTE: After using a while, it may produce some carbon on the surface of the glow plug element and the element become dark brown. This deteriorated glow plug may cause the engine hard to start and running rough. Replace as necessary.
??#5 glow plug x1