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NGK 5422 Spark Plug

MPN: NGK5422

NGK Copper Core Spark Plug. Thread diameter: 14mm, thread reach: 19mm, seat type: gasket, hex size: 13/16", tip material: Nickel.

  • Copper Core Spark Plug
  • Cold rolled threads prevent damage to cylinder head
  • Triple gasket sealing process virtually eliminates gas leakage past the shell
  • Solid Copper Core provides superior heat dissipation, conductivity and a broader heat range
  • Three step plating process utilizing silver chromate and zinc ensures maximum corrosion resistance

WARNING: Cancer and Reproductive Harm -

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