Jul 15, 2018 · What would be a reasonable Iridium Plug change interval? I have Denso Iridium Power II's, which Denso rated for 30k miles back in 2014 or so when I put them in. I rechecked and now …

Oct 7, 2025 · 2026 Honda NT1100. Photo: Honda The Euros just announced a fresh coat of paint for the bike in 2026, and presumably the US will see similar options next year. Europe gets Iridium Gray …

May 10, 2015 · There is little I can find about Ruthenium spark plugs, except it's the new sliced bread, better, last longer, etc etc. If the Laser iridium have indeed only one iridium (or platinium + iridium) …

Mar 5, 2022 · The TT series is the aftermarket adaption of the Super-Ignition Plug Denso created for the Toyota D4-S engines, minus the side electrodes. I’ve used the Platinum TTs in a Subaru, haven’t …

Nov 20, 2006 · The Laser Iridium plugs have a wider center electrode, whereas the IX has a more narrow one. I think that's why the Laser Iridiums last longer as well as the double precious metals, …

Jan 23, 2019 · A spark is a spark, right ? I'm wondering if it will do long term damage to the vehicle's electronics if you replace a common plug with an iridium? No, spark plugs have a heat range, as long …

Mar 19, 2022 · What is the real advantage to Iridium plugs? Simply longevity, or is the spark actually any different with the very fine tip? Silly question, but I have a snowmobile with a Suzuki 660cc 3 cyl 4 …

Dec 31, 2017 · Since Iridium spark plugs last so long I fell behind on my sparkplug numbers. About 70,000 miles ago I put in 41-110 sparkplugs. Sometime along the way the number changed to 41 …

Apr 13, 2025 · The Iridium center electrode is typically quite small, locating the spark with more consistency. A big ole copper center electrode will have the spark jumping around it. This usually …

Jul 19, 2006 · NGK calls their OEM style precious metal plugs "LASER IRIDIUM" or "LASER PLATINUM". Denso calls their aftermarket plugs "IRIDIUM POWER". I believe their OEM version …