Autolite

Box of 4 Genuine Autolite 403 Copper Resistor Spark Plugs

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  • Regular price $13.96
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Brand New Box of 4 Genuine Autolite Spark Plugs…

· Brand New Box of 4 Autolite Spark Plugs

· Genuine Autolite Part # 403

  • Copper-glass seal bonded insulator, terminal post, and center electrode provide a tight seal that is 100 percent leak-proof
  • Multi-rib insulator reduces danger of "flash-over" to prevent misfires
  • Full copper core electrode improves heat transfer and optimizes plug life
  • Copper core center electrode provides higher thermal conductivity
  • Features high alumina ceramic for high dielectric strength and steel shell for installation robustness