Feature:1. High-quality steel material, longer lasting element, theN3 Spark Glow Plug is compatiblewith Redcat Hsp Hpi, and so on.2. With this N3 on your RC car to improves Idle and transition.3. The N3 accessory is in use for 5%-40% nitro fuels.4. The N3 Spark Glow Plug is suitable to normal temperature weather.5. After-sales Service Guarantee: Any problem, please contact our store without hesitation. Honor to serve you!Specification:Features:High-quality steel material, longer lasting element, the N3 Spark Glow Plug is compatible with Redcat Hsp Hpi, and so on.With this N3 on your RC car to improves Idle and transition.The N3 accessory is used for 5%-40% nitro fuels.The N3 Spark Glow Plug is suitable for normal temperature weather.After-sales Service Guarantee: Any problem, please contact our store without hesitation. Honor to serve you!Specification:Item name: N3 Spark Glow PlugFor: Nitro EnginesMaterial: SteelSix corners: 8mmHeight: 17.2mmQuantity: 1pcsWeight: 5gPackage weight: 6gPackage size: 7 x 6.5 x 1 cmPackage list:1 x N3 Spark Glow PlugPackage List:1 x N3 Spark Glow Plug