This is the Dynamite Monster Truck .18-.46 Nitro Plug. Designed to meet the performance demands of the latest monster trucks and high-power engines, these Dynamite Monster Truck Glow Plugs feature platinum/iridium elements for increased longevity. The medium nitro plug has a colder element range and works perfectly with nitro blends 25% to 40%.

Features:

• Designed specifically for the latest monster truck engines
• Smooth idle and crisp throttle response
• Cool heat range