N3 Hot Spark Glow Plug for RC Nitro Engines Car Truck Buggy Pack of 5, Spark Plugs for Traxas T-maxx Kyosho HSP1 HPI Redcat, Powerful 70117 Nitro Engine Parts Replace OS 8
👍Difference between N3 and N4 Hot: N3 is a hot head, and N4 is a cold head; the start temperature of N3 is a littler higher than N4, so N3 is more suitable for Winter use, N4 is suitable for Summer.
👍RC glow plugs longer lasting Element, For 4c Engines 5% - 40% Nitro Fuels, Improves idle and transition. Material: Steel ; Six corners: about 8mm, Height: about 17.2 mm
👍Important Tips: Ignition time of N3 should not exceed 10s, N4 not exceed 15s, to avoid damaged the hot spark plugs. After the engine is started, unplug the igniter, the engine speed drops or stalls, eliminate the cause of rich oil, and replace the glow plug in time.