Features: The sparking Plug deliver ignition with advanced technology, boosting 25% faster engine starts and stable combustion for gas aircraft engines. Selected from metal, this sparking plug extends service life by 50% compared to standard plugs, reducing maintenance for prolonged flights. Ideal for fixed wing model enthusiasts and engineers, ensures seamless compatibility with most engines, enabling easy installation. Thrives in harsh outdoor conditions with enhances corrosion resistance, maintaining reliable ignition during dusty or humid flights for competitive event. Optimizes fuels air mixture combustion to slashing fuels consumption, maximizing flight durations for challenge while preventing air refueling interruptions. Specifications: Component:Metal Size:Approx.36mm/1.42inch Package Includes: 1Pc sparking Plug note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.