• NGK single iridium spark plugs box of 4, high-performance automotive spark plugs, with visible NGK branding and packaging.
  • NGK single iridium spark plug box of 4, TR8IX model, showing four spark plugs with metal and ceramic components.
NGK single iridium spark plugs box of 4, high-performance automotive spark plugs, with visible NGK branding and packaging.
NGK single iridium spark plug box of 4, TR8IX model, showing four spark plugs with metal and ceramic components.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

NGK

NGK Single Iridium Spark Plug Box of 4 (TR8IX)

SKU NGK3691
$90.60
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
$90.60

NGK single iridium spark plugs box of 4, high-performance automotive spark plugs, with visible NGK branding and packaging. NGK single iridium spark plug box of 4, TR8IX model, showing four spark plugs with metal and ceramic components.
NGK single iridium spark plugs box of 4, high-performance automotive spark plugs, with visible NGK branding and packaging. NGK single iridium spark plug box of 4, TR8IX model, showing four spark plugs with metal and ceramic components.

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

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Total price$830.60

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