Iridium Power – Denso

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0.4mm Iridium Center Electrode Delivers Maximum Spark Energy

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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 4000º F. These features combine to achieve higher ignitability and require lower spark voltage than ever before. As a result, acceleration improves in comparison with normal plugs.

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Ignitability That’s a Cut Above

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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 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 required voltage.

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Features:

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• Tapered cut, U-Groove ground electrode
• 0.4mm Iridium Tip
• Patented 360-degree laser welding assembly process

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Benefits:

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Required ignition voltage reduced

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Unsurpassed center electrode durability

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Available for many performance and power sports applications, including Corvette, Viper, and Harley-Davidson

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Improved spark ignition for maximum combustion, even with lean air-fuel mixtures

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The Iridium Power Difference

[/vc_column_text][vc_column_text animation_delay=”0″]At 0.4mm in diameter, the Autopart 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.[/vc_column_text][vc_column_text animation_delay=”0″]

Improved Acceleration

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Improved Horsepower

[/vc_column_text][vc_column_text animation_delay=”0″]Iridium Power has low required voltage and high ignitability, resulting in fewer misfires. The outcome is a dramatic improvement in combustion, therefore increasing engine output. Test results using a motorcycle engine show improved combustion from Iridium Power (see chart). Compared to normal plugs, a 0.5ps (1.4%) improvement is seen in output at 110km/h.

The power produced by our 0.4mm dia. Iridium center electrode is unmatched by other plugs. Using a 0.4mm dia. fine center electrode, there is more power compared to 0.8mm and 2.5mm dia. plugs. This is what makes the difference in acceleration and in your lap time.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/2″][vc_single_image image=”9352″ img_size=”full” alignment=”center”][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width=”1/2″][vc_column_text animation_delay=”0″]

Improved Fuel Mileage

[/vc_column_text][vc_column_text animation_delay=”0″]The superior ignitability from the fine electrode (0.4mm) of Iridium Power draws out much more performance from the engine. Comparing a standard plug (W20FS-U) with an Iridium Power (IWF22) on a 2 cycle 50cc engine, fuel consumption improved from 41.74km/L to 43.69km/L (about 5%). Note: Mileage measured using a chassis dynamometer; actual driving results under normal conditions may vary.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/2″][vc_single_image image=”9355″ img_size=”full” alignment=”center”][/vc_column_inner][/vc_row_inner][/vc_tta_section][vc_tta_section title=”Gallery” tab_id=”1594025506234-830883af-ee16″][vc_gallery type=”image_grid” images=”9357,9358,9359″ img_size=”full”][/vc_tta_section][vc_tta_section title=”FAQS” tab_id=”1594100494904-17f61b2b-b778″][vc_column_text animation_delay=”0″]Why should I use the Iridium Power®?
Our customers choose the Autopart Iridium Power spark plug for its unsurpassed performance, increasing overall power and acceleration. For that extra burst of power when you need it most, you can count on the combination of revolutionary Iridium alloy and laser welding technology which allows Autopart to harness the power of Iridium to dramatically increase firing performance. The result is maximum horsepower and torque. From extreme race conditions to the daily driver, the Iridium Power is the ultimate choice for performance.
What design features make the Iridium Power stand out from competitors?
Iridium is 6x harder and 8x stronger than platinum, this allows Autopart engineers to shrink the center electrode tip to only 0.4mm, the world’s smallest , and still maintain durability. This tiny electrode reduces the required voltage for the plug to fire resulting in improved firing performance. Autopart uses a patented Iridium alloy formula which employs over 90% Iridium, and small amounts of another material called Rhodium, which is added to even further reduce oxidation.
Also, a U-Groove has been cut inside the ground electrode to maintain the large volume of space required to form the nucleus of a flame. While still keeping the required voltage low, this technology enables excellent firing performance without increasing the spark gap.
The tip of the ground electrode has been cut to form a taper. This greatly improves firing performance by reducing “quenching,” or the absorption of spark energy by the electrode.
At first, the use of Iridium as an electrode material was impossible due to its extreme hardness and high melting point. Now, Autopart has developed a patented 360° laser welding process to firmly affix the Iridium material to the center electrode in a bond so reliable the electrode resists wear even in the harshest conditions.
What’s the difference between Iridium Power and Iridium Long Life?
Iridium Power is a high performance spark plug. The Iridium Long Life is the genuine part that comes OE from car manufacturers.
Does the engine need to be specially set when fitting Iridium Power?
No. The plugs can just replace the ones you take out. The Iridium Power spark plug itself has a low required voltage and high ignitability and is able to draw out the power of an engine. The superb performance of Iridium Power spark plugs is obtained merely by installing them in your vehicle. And, of course, there is no need for special tuning.
Can the Iridium Power gap be adjusted? Can I use any spark plug cleaners with Iridium Power?
Do not adjust the spark plug gap. Use of a spark plug cleaner for short periods is acceptable if low pressure is used. Iridium Power spark plug gap is already set at the optimum distance. If the electrode is damaged by gap adjustment or cleaning, the spark plugs will not perform to their best.
How do I select the correct heat range when fitting Iridium Power to my vehicle?
In ordinary cars, use a spark plug with the same heat range as a normal spark plug. In highly tuned vehicles, select a heat range to suit the tuning level of the engine. (Ordinarily, the heat range of a highly tuned engine tends to be colder.)

Refer to the following table to compare the heat range of the Iridium Power and other spark plugs.[/vc_column_text][vc_single_image image=”9365″ img_size=”full” alignment=”center”][/vc_tta_section][vc_tta_section title=”Videos” tab_id=”1594100526486-2a4617b4-f360″][vc_video link=”https://youtu.be/paTDrBZAUzw”][/vc_tta_section][vc_tta_section title=”Reference” tab_id=”1594025507831-014c046d-f8ad”][vc_column_text animation_delay=”0″ css=”.vc_custom_1594026451272{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Aftermarket Performance Cylinder Head Application Chart[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594100587381{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Iridium Power Spark Plug Configuration[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594100602631{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Iridium Power Spark Plug Specifications[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594026759013{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Spark Plug Electrode Configuration Identification[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594026810147{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Spark Plug Installation[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594026834348{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]Spark Plug Part Numbering[/vc_column_text][vc_column_text animation_delay=”0″ css=”.vc_custom_1594026859259{margin-bottom: 10px !important;padding-left: 10px !important;background-color: #e8e8e8 !important;}”]The International Standards Organization (ISO)[/vc_column_text][/vc_tta_section][vc_tta_section title=”Installation Guides” tab_id=”1594025509749-d2d3cf52-88b0″][vc_column_text animation_delay=”0″]Search by part number for the Autopart installation guides you’re looking for.[/vc_column_text][vc_raw_html]JTNDZm9ybSUyMGNsYXNzJTNEJTIyc2VhcmNoLWZvcm0lMjIlMjBhY3Rpb24lM0QlMjIlM0MlM0ZwaHAlMjAlMjBlY2hvJTIwZXNjX3VybCUyOGhvbWVfdXJsJTI4JTI3JTJGJTI3JTI5JTI5JTNCJTIwJTNGJTNFJTJGJTIyJTIwbWV0aG9kJTNEJTIyZ2V0JTIyJTNFJTBBJTIwJTIwJTIwJTIwJTNDZmllbGRzZXQlM0UlMEElMjAlMjAlMjAlMjAlMjAlMjAlMjAlMjAlM0NpbnB1dCUyMHR5cGUlM0QlMjJ0ZXh0JTIyJTIwbmFtZSUzRCUyMnMlMjIlMjBpZCUzRCUyMnMlMjIlMjBwbGFjZWhvbGRlciUzRCUyMlNlYXJjaC4uLiUyMiUyMCUyRiUzRSUwQSUyMCUyMCUyMCUyMCUyMCUyMCUyMCUyMCUzQ2lucHV0JTIwdHlwZSUzRCUyMnN1Ym1pdCUyMiUyMGlkJTNEJTIyc2VhcmNoc3VibWl0JTIyJTIwJTJGJTNFJTBBJTIwJTIwJTIwJTIwJTA5JTNDZGl2JTIwY2xhc3MlM0QlMjJzZWFyY2gtaWNvbiUyMiUzRSUzQyUyRmRpdiUzRSUwQSUyMCUyMCUyMCUyMCUzQyUyRmZpZWxkc2V0JTNFJTBBJTNDJTJGZm9ybSUzRQ==[/vc_raw_html][/vc_tta_section][/vc_tta_tabs][/vc_column][/vc_row]