Autolite 4123-4PK Copper Resistor Spark Plug, Pack of 4 Spark Plugs

Autolite 4123-4PK Copper Resistor Spark Plug, Pack of 4,Spark Plugs,Spark Plugs & Wires,Spark Plugs & Wires,Ignition Parts,Replacement Parts Spark Plugs

  • Copper-glass seal bonds insulator, terminal post, and center electrode together to provide a tight seal that is 100 percent leak-proof
  • Cold-formed steel shell and precision rolled threads, with one-piece terminal post to add strength
  • Multi-rib insulator reduces danger of "flash-over"
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Full copper core electrode provides better performance in all conditions

Copper Core spark plugs deliver quick starts, good fuel economy, and smooth acceleration. The copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap, creating a gas-tight seal that is 00 percent leak-proof. Copper Core spark plugs feature a cold-formed steel shell and precision rolled threads, and a one-piece terminal post that adds strength. The multi-rib insulator reduces the danger of "flash-over" to prevent misfires, and the resistor reduces radio frequency interference (RFI) and electrode erosion. The full copper core electrode provides better performance in all conditions. Copper Core plugs are your industry standard.

Autolite 4123-4PK Copper Resistor Spark Plug, Pack of 4 Autolite 4123-4PK Copper Resistor Spark Plug, Pack of 4 Autolite 4123-4PK Copper Resistor Spark Plug, Pack of 4

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