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NGK BU8H (6431) Spark Plug


NGK BU8H (6431) Spark Plug


NGK BU8H / 6431 Standard Spark Plug Replaces SF-24

This is the workhorse, the plug that is at the heart of smooth-running engines around the world.

  • OEM quality
  • Triple-gasket sealing process
  • Consistent performance
  • Plug of choice in thousands of boats worldwide

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