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NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam Pair #adNGK #ad
- The iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the size of a conventional nickel electrode. Ultra-small diameter center electrode reduces voltage requirement and extends ignition system life.
The ultimate in spark plug technology and performance from the industry leader. Come pre-gapped. New metal shell plating has enhanced anti corrosion qualities.