Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

Come pre-gapped
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
New metal shell plating has enhanced anti corrosion qualities Product Description
Gain up to 3HP just by using these plugs! The ultimate in spark plug technology and performance from the industry leader 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 New metal shell plating has enhanced anticorrosion qualities Come pre-gapped