37% under what the other stores charge
Compared across 13 stores. Prices are checked against each store and labelled with when.
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The NGK Iridium IX CR8EIA-9 is a resistor spark plug with a fine iridium center electrode, a grooved single ground electrode and a 19 mm hex. Its necked-down iridium tip is far smaller than a platinum or nickel electrode, which lowers the voltage the ignition system needs and can extend coil and lead life. The 5k ohm resistor suppresses radio interference, and the metal shell plating resists corrosion. It suits street riders and tuners replacing a stock plug on engines that take a 19.1 mm reach, 0.035 in gap plug in heat range 8. Against platinum plugs it trades a shorter service life claim for a stronger, more consistent spark; against standard nickel plugs it is the upgrade, not the budget choice.
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In stockSold by cyclemaxwilson
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Lowest price we've seen: $10.06 on Nov 12 at NGK. Tracked across 10 stores since Nov 12.
The NGK Iridium IX CR8EIA-9 is a resistor spark plug with an iridium center electrode. The iridium electrode is 25% smaller than a platinum electrode and 1/4 the size of a conventional nickel electrode.
The ultra-small center electrode reduces the voltage requirement and extends ignition system life. The metal shell has new plating with enhanced anti-corrosion qualities.
It has a single ground electrode with a grooved shape and a necked-down, non-projected center electrode. It is listed for street riding.
