Brisk Iridium Racing DOR14IR Spark PlugDOR14IR Iridium Racing Brisk Performance Spark Plugs Brisk SKU DOR14IR Parameters: Thread Diameter 14mm Thread Reach 19mm 3 4" Hexagon 16mm 5 8" Seat Type Gasket Design Iridium Center Electrode Resistor Yes Projected Special Semi Heat Range 14 Brisk DOR14IR Replaces: KEY BENEFITS AND APPLICATIONS Iridium is 6x 8x Stronger 1200 Degrees Higher Melting Point than Platinum Power Focus Spark Exactly in the Focal Point of the Reflector Lower Required

DOR08IR Iridium Racing Brisk Performance Spark Plugs

Brisk BOR14LGS Replaces:

Brisk DOR12IR Replaces:

Highly durable and reliable

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Reach 18mm-

Brisk Silver Racing ER12S is a special racing spark plug that Brisk supplies to European Rally teams such as PRODRIVE and its heat range is equivalent to NGK heat range 8

Brisk DOR12LGS Replaces:

Brisk NOR15LGS Replaces:

Resistor Yes

Heat Range  -  12

Extremely long flash over