Autolite® Copper Spark Plugs

Autolite® Copper Spark Plugs


Guaranteed to deliver quick starts, good fuel economy and smooth acceleration. Autolite® Copper Core plugs are your industry standard.

  •  Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)

  • Multi-rib insulator reduces danger of "flash-over"

  • One-piece terminal post adds strength

  • Resistor reduces radio frequency interference (RFI) and electrode erosion

  • Cold-formed steel shell precision rolled threads

  • Full copper core electrode provides better performance in all conditions