Denso

067700-9340

Denso Iridium Spark Plug - IUH27 5369

EAN: 0042511536944

UPC: 042511536944

Spark Plugs

Six times harder than platinum, iridium doesnt melt in temperatures up to 4,000F
Because the iridium electrodes of these plugs can be shrunk to only 0.4mm, voltage requirements decrease while firing performance improves
360 laser welding of electrode provides a seal that resists wear even in the worst conditions
Ground electrode features a tapered cut and U-groove that form a large volume area for the flames center
NGK Ref.# CR9EH-9, CR9EHVX-9, CR9EHIX-9

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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