Multi-Ground Electrodes Improve Ignition Capabilities and are Less Sensitive to Increased Voltage Requirements Due to Gap Growth. Designed to Specific Manufacturer Ignition Requirements, NGK's Multi-Ground Plugs Maintain All the Features of Their Standard Plugs.

• Corrugated Ribs to Prevent Flashover
• Pure Alumina Silicate Ceramic Insulator, Providing Superior Strength and Better Heat Transfer
• Copper Core to Aid in Heat Removal
• Triple Seals to Prevent Leakage