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Autolite 437-4PK Copper Non-Resistor Spark Plug, Pack of 4
Autolite 437-4PK Copper Non-Resistor Spark Plug, Pack of 4
Autolite 437-4PK Copper Non-Resistor Spark Plug, Pack of 4
Autolite 437-4PK Copper Non-Resistor Spark Plug, Pack of 4

Autolite 437-4PK Copper Non-Resistor Spark Plug, Pack of 4

Vendor
Autolite
Regular price
$17.00
Sale price
$8.95
Unit price
per 

  • 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