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SPARK PLUG DENSO IRIDIUM TOUGH

Structure

 360° Laser Welding
The iridium tip is mounted with an “All-around Laser Welding” method that insures high reliability and durability even under the most severe driving conditions.
 Highly Corrosion Resistant, Burnished Nickel Plating
The insulator housing is plated with burnished nickel the same as racing plugs, resulting in high corrosion resistance. (VKA and VKB excluded)
 Built-in, Highly Reliable Resistor
All specification types include an embedded, highly reliable, monolithic resistor to eliminate electromagnetic noise interference from all kinds of electronic devices.
 Platinum-tipped Ground Electrode
The ground electrode has a platinum tip, from DENSO’s experience with platinum plugs. This greatly moderates electrode wear and insures high durability.
 Fine Diameter Ultra-fine Iridium Center Electrode
Using DENSO’s exclusive iridium alloy having a very high melting point, the tip of the center electrode can be shaped very thin and fine, reducing spark voltage requirements and greatly improving ignitability.

High Durability

高耐久性を実現

Improved Mileage

Improved Ignitability

Realizing high ignition performance with a fine diameter electrode.

着火性能アップ
着火性能アップ

Improved Acceleration

Stable ignitability improves acceleration

加速性の違い
燃焼圧力比較


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