denso ik20l 5358 iridium power spark plug

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1 x DENSO IK20L 5358 Iridium Power Spark Plug


OE SKU: 5358


Availability: In stock

DENSO IK20L 5358 Iridium Power Spark Plug

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  • 14mm Thread Size
  • 19mm (3/4") Reach
  • 16mm (5/8") Hex Size
  • Gasket Seat
  • Resistor
  • Removable Terminal Nut
  • ISO height
  • 0.4mm Iridium Center Electrode
  • Tapered Cut, U-groove Ground Electrode
  • 1.1mm (0.043") Gap
  • Heat Range 20


  • Required ignition voltage reduced
  • Unsurpassed center electrode durability

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Fifty million years ago, an asteroid composed almost entirely of the precious metal Iridium (Ir-77) struck the earth creating the Gulf of Mexico. From this catastrophe came a metal with properties ideal for spark plug construction. Using this element, DENSO has evolved spark plug design to a new level.

Denso's Iridium power spark plugs help your vehicle achieve unparalleled performance. It alters the belief that a mere spark plug can add power and mileage. This is done by combining an ultra-fine 0.4mm diameter Iridium center electrode with a tapered cut U-groove ground electrode. Iridium conducts electricity better than platinum, however what makes it exceptional is it's also 6x harder and 8x stronger than platinum. Because of this, the center electrode can be machined down to 0.4mm. This ultra-fine iridium center electrode provides superior ignition performance during acceleration and top cruising RPM. The U-groove ground electrode creates a larger, brighter flame kernel. The tip of the ground electrode has been tapered which further improves firing performance by reducing quenching. All of these features combine to give more horsepower to your motor.

Denso Iridium Plugs
DENSO’s patented iridium alloy is extremely tough and wear-resistant. This makes it possible to produce a spark plug with a centre electrode of just 0.4 mm. Denso Iridium spark plugs give a stronger spark and better ignition performance in all areas of driving. These plugs can withstand even the most severe conditions and have proven themselves in original equipment and racing. This product gives DENSO the leading position in Iridium Spark Plug technology.

Iridium Power Range
These Denso plugs are the obvious choice for any one looking for a fast, easy and effective way of enhancing and improving the performance of your engine. Utilising the revolutionary 0.4mm center electrode technology, the Iridium Power plugs can make an immediate difference to your bhp, fuel efficiency and cold starting. As used by racing, rally and performance OEMs throughout the world.

Patented Technologies
DENSO's patented technology makes Iridium Power the best spark plugs you can buy today.

Spark Plug Construction
DENSO Iridium Power plugs use the highest quality materials and are produced in our state-of-the-art manufacturing facilities.

Laser Welding
The DENSO patented 360º Laser Welding Process employs a high-energy laser so reliable the electrode resists wear in the worst conditions.

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Reviews (1)



Jul 21, 2014

Very Nice

Good product fast delivery

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