Bosch (7997) WR7BC+ Super Plus Spark Plug, (Pack of 1)

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  • Regular price $10.00
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Bosch Super Plus spark plug has a premium copper core plus yttrium enhanced center electrode providing extended performance life over conventional copper core spark plugs.
  • Heavy-duty yttrium-enhanced copper core center electrode for superior reliability and increased resistance to spark erosion for a 50% longer performance life vs. even OE plugs
  • Tapered, v-profile nickel chromium ground electrodes improves cold start performance and increases fuel ignitability
  • Angular, five-ribbed insulator design prevents misfire due to current leakage
  • Nickel-plated rolled threads provides complete anti-seize and corrosion protection
  • Metal glass fused resistor maximizes interference suppression