Best Corrugated Metallic Gasket

NGK B7HS Standard Spark Plug, One Size

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK (3365) CMR6H Standard Spark Plug, Pack of 1

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK (1034) BP7ES Standard Spark Plug, Pack of 1

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK (1275) CR8E Standard Spark Plug, Pack of 1

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK (3901) CPR7EA-9 Standard Spark Plug, Pack of 1

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK Standard 6263 CR9E Standard Spark Plug, 4 Pack

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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Polylok 3008-RC Septic Tank Riser Cover, 24-Inch, Green

  • Designed to fit Polylok 24" risers, Polylok 24" adapter rings, and Polylok 24" d-boxes. (Will not work with other manufacturer's risers or corrugated pipe.).
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NGK BU8H Standard Spark Plug, One Size

  • Corrugated ribs on insulator prevents flashover.
  • Triple gasket seal eliminates combustion gas leakage.
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NGK (6994) IZFR6K11 Spark Plug - Pack of 1

  • Laser welded Iridium center electrode tip ensures high durability and greater spark.
  • Platinum disc welded to backside of ground electrode provides long life.
  • Longer insulator nose prevents fouling, corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage.
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