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denso spark plug IK20 2L auto parts Denso Iridium Spark Plug IK20

DENSO Iridium Spark Plugs use the highest quality materials, and denso spark plug IK20 are produced in our state of the art manufacturing facilities.
Below is a cross-section of the highlights of the Iridium plug denso spark plug IK20 The insulators are made of a highly purified alumina powder, which gives exceptional dielectric strength and thermal conductivity at high temperatures, as well as greater physical strength.   1.Insulator:The insulators are made of a highly purified alumina powder, which gives exceptional dielectric strength and thermal conductivity at high temperatures, as well as greater physical strength.   2. denso spark plug IK20 FIVE-Rib Design:The five-rib design prevents flashover and decreases voltage loss.   3.Copper-Glass Seal:A special mixture of copper and glass powder bonds the center electrode and insulator together for a gas tight seal. Proper heat is maintained and hot combustion gases are excluded.   4.Copper-Cored Center Electrode denso spark plug IK20 : A special center electrode incorporates copper into the core of the nickel chrome binary alloy. This gives superior thermal conductivity and increases the operating range.   U-Groove Ground Electrode:The originally patented U-Groove allows the spark to fill the gap formed by the U. This ball of fire develops a larger and hotter flash front so combustion is complete.   5.Patented Iridium Center Electrode denso spark plug IK20 :
Utilizes Iridium to create the world's smallest center electrode tip for maximum firing performance and reduced voltage requirements. Tapered Cut: Improves firing performance by reducing quenching. 6. denso spark plug IK20 360°Laser Welding:DENSO perfected the Laser Welding Process, which provides a 360° seal so reliable the electrode resists wear even in the harshest conditions. 7.100% Pre-Fired denso spark plug IK20 :All DENSO spark plugs are pre-fired at the factory to assure highest possible quality.     Ultra Fine Electrode denso spark plug IK20

By harnessing the power of Iridium, DENSO is suddenly able to shrink the surface area of the center electrode - the critical component of a spark plug. Unlike a typical platinum plug that has a 1.1mm diameter center electrode, DENSO Iridium Power plugs have the world's smallest center electrode measuring 0.4mm in diameter. This means that the voltage requirements are decreased while firing performance is greatly improved. U-Groove Technology

Our patented U-Groove design changed the industry standard in the mid 1970s by providing a better design that virtually eliminates erratic starts caused by poor fuel mixture. The U-Groove results in less flame dissipation making the spread of the flame nucleus easier and therefore yielding greater firing energy. It gives the flame a groove to grow in, thereby creating a larger flame front for a complete combustion.

On a conventional plug, the flat electrode design crushes the spark, and the overall volume of the flash front is smaller.

The conventional method to improve firing was to increase the spark gap. This has a negative effect on the spark. With a U-Groove firing can be greatly improved without increasing the spark gap.
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Tapered Cut

To help improve ignitability DENSO minimized the portion of the ground electrode that comes in contact with the flame nucleus. Because the area of the ground electrode where the tapered cut comes into contact with the flame nucleus is small, the heat lost to the electrode is lessened and firing performance improves dramatically. The surface area and weight of the ground electrode tip is reduced along with the load in terms of heat and vibrations. This means the spark plug can cope with heavier driving conditions.

SAE Comparison of electrode sizes and voltage requirements   The figure on the above contains photographs of the discharge part of an ordinary spark plug, a platinum spark plug and the two types of iridium spark plugs developed here.   denso spark plug IK20,high quality denso spark plug IK20, denso spark plug IK20,good price denso spark plug IK20, denso spark plug IK20 denso ik20  denso spark plug IK20,high quality denso spark plug IK20, denso spark plug IK20,good price denso spark plug IK20, denso spark plug IK20 denso ik20