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Autolite 458DP Copper Non-Resistor Spark Plug

Autolite 458DP Copper Non-Resistor Spark Plug

$2 $3 4 Available
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• 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