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SPECIAL SPARK PLUGS WITH IRIDIUM CONTACT
Spark plugs with shell shoulder and iridium contact on the center electrode. Suitable for supercharged racing engines.
Replacement interval: see the table below.
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.
EXPLANATIONS TO THE TABLE:
* custom production
P sealing washer
K sealing cone