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|Denso Range||Denso Iridium Power|
|Denso Part Number||IUH27|
|Denso Stock Code||5369|
Iridium Power® best demonstrates its performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode deliver maximum spark energy while withstanding temperatures greater than 2200º C. These features combine to achieve higher ignitability and require a lower spark voltage than ever before. As a result, acceleration improves in comparison with normal plugs.
To increase ignitability, the important point is to let the flame kernel produced by the spark to grow unobstructed. Normally, this can be accomplished by widening the spark gap. However, this causes the spark voltage to increase, which has the opposite effect. Iridium Power uses DENSO's patented U-Groove ground electrode to achieve maximum ignitability while minimizing the required voltage.
Patented 360-degree laser welding assembly process
0.4mm Iridium Tip
Taper cut, U-Groove ground electrode
At 0.4mm in diameter, the DENSO Iridium Power center electrode tip is the world’s smallest. It produces the hottest, most concentrated spark, while requiring the lowest voltage (5,000 less volts to fire than conventional spark plugs). For maximum performance under the most extreme conditions, this plug is the one! Because of its patented technology, the Iridium Power plug outperforms any plug today. You’ll enjoy more horsepower, faster and easier starts, fewer misfires under heavy loads, plus better fuel efficiency.
Unsurpassed center electrode durability.
Improved spark ignition for maximum combustion, even with lean air-fuel mixtures.
Available for many performance and power sports applications.
We (Driven 2 Automotive) only supply 100% genuine spark plugs. In fact, we play a major active role in fighting back fakes by producing a series of website blog articles dedicated on showing you how to spot the dodgy ones!
In a bid to help everyone understand the severity of how accurate some copies can be these days, we provide detailed, side-by-side comparison photos of genuine spark plugs placed directly next to counterfeits that we've discovered online, providing help to all those who need it.
Trust genuine, trust us! Simply type 'How to spot fake Denso spark plugs' into a search engine and we'll sure to be near the top of the results.
Please search for 'Denso AM E-Catalogue' on a search engine to verify plug fitment, this is the best way as the online tool features the very latest compatibility data.
WARNING - DO NOT USE COPPER GREASE (AKA COPPER SLIP, ANTI-SEIZE, THREAD COMPOUND) ON MODERN SPARK PLUG THREADS!