The DR8EA NGK Spark Plug quickly dissipates large amounts of heat, preventing overheating and fouling and performs well in a hot or cold engine. Copper wire is used in place of the usual iron core, which dissipates heat quicker.
NGK Spark Plug DR8EA Info:

• Dissipates large amounts of heat, preventing overheating and fouling.
• Performs equally well in a hot or cold engine.
• Suitable for both high speed and low speed driving.
• Copper core prevents hot spots that can lead to pre-ignition.