Champion 415-1 copper Spark Plug, 3.98 Inch

Highlights:

• Electrode: Nickel Copper Alloy
• Fill Gap Size: 0.029 to 0.035 Inch
• Hex Size: 0.813 Inch
• Length: 3.98 Inch
• Material: Copper
• Thread Size: 0.551 Inch
• Dependable performance
• Copper core center electrode allows for accurate control of heat range for longer life
• Patented SAC-9 semi conductor resistor for maximum corrosion resistance