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CONTENTS
Find Your Plugs
Reference
Part Number Chart
IRIDIUM POWER
Features
Structure
Linenup
Specifications
IRIDIUM TOUGH
Features
Structure
Linenup
Specifications
IRIDIUM PLUS
Features
Specifications
IRIDIUM POWER
Features
Structure
Linenup
Specifications
Basic_Knowledge
Plugs Configrations
 Plugs Specifications
Q & A
IRIDIUM POWER Q&A
IRIDIUM TOUGH Q&A
TECH Q&A
 Sales Companies
Cross Reference
0.4mm dia. Iridium, only at DENSO!
Using 0.4mm dia. iridium center electrode, IRIDIUM TOUGH displays superb ignitability and low required voltage, drawing out better performance from your car - increased acceleration, accelerator response, operational stability, and lower fuel consumption. On the circuit, the sharp acceleration and rapid accelerator response will help you win, while on city streets, it will realize a comfortable and long drive in addition to low fuel consumption.
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.

0.4 mm Diameter 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.

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.


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