NGK Spark Plug 4 Stroke IZFR7M Iridium

Specifications

• Iridium at the fine-wire center electrode and platinum at the ground electrode provides maximum durability and performance
• The platinum at the ground electrode adds extra protection against plug wear and gap erosion.

• They are resistant to carbon buildup and pre-ignition
• Longer insulator nose prevents fouling and misfiring
• Solid copper core aids in heat removal
• Alumina ceramics for better heat transfer
• Triple seals prevent leakage
• Corrugated ribs prevent flashover