SPECIAL SPARK PLUGS WITH IRIDIUM CONTACT

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Spark plugs with shell shoulder and iridium contact on the center electrode. Suitable for supercharged racing engines.

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Replacement interval: see the table below.

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The construction ensures huge resistance against vibrations and high stress. The construction ensures huge resistance against vibrations and high stress. Short ground electrode with a small radius. The shell shoulder protects the active parts of the spark plug from sudden pressure and temperature changes.

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EXPLANATIONS TO THE TABLE:
* custom production
P sealing washer
K sealing cone

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