ShareGoo Champion Super Spark Glow Plug No.3 for RC Car Truck Engine (Pack of 3 Pcs) Platinum/Iridium Supper Glow plug Longer Lasting Element Compatibile with: SHOCKWAVE, TSUNAMI, VOLCANO STX, TORNADO S30, VOLCANO S30, AFTERSHOCK 21, HURRICANE XL, AFTERSHOCK 3.0, AFTERSHOCK 3.5, BACKDRAFT 3.5, CALDERA 3.0, EARTHQUAKE 3.0, EARTHQUAKE 3.5, HURRICANE XP, LANDSLIDE 21, LANDSLIDE LT, MAELSTROM LT, MONSOON XP, SANDSTORM 21, SANDSTORM LT, TWISTER LT, TYPHOON XP, REACTOR RS 3.3, VOLCANO MX, VOLCANO SV, VOLCANO T2, VORTEX SS, TORNADO BB and more... Medium for club racing and sport use Pack of 3