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Jan 07, 2026 - 09:15 AM
The NGK TR7IX Iridium spark plugs are pre-gapped from NGK at approximately 0.032" (0.8 mm).
What are these gapped at? NGK TR7IX Iridium Spark Plugs (Set of 8)
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Open Feb 18, 2026 - 01:49 PM
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NGK TR7IX Iridium Spark Plugs (Set of 8)
NGK TR7IX Iridium Spark Plugs (Set of 8)Iridium IX - The ultimate evolution of a performance spark plug.It may be time to invest in precious metal futures. NGK Iridium Spark Plugs represent the ultimate evolution of spark plug technology and performance. Iridium allows for a center electrode 75 perc...
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