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14mm Thread Size, 25mm (.984") Reach, 5/8" (16mm) Hex Size, Tapered Seat, Resistor, Removable Terminal Nut, 0.4mm Iridium Center Electrode, Tapered Cut U-groove Ground Electrode, .031" (0.8mm) Gap, Heat Range 22
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. |
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= ultimate class
= premium class
= super class
= regular class
