IRIDIUM RACING 
SPECIAL SPARK PLUGS WITH IRIDIUM CONTACT
Spark plugs with shell shoulder and iridium contact on centre electrode. Suitable for supercharged racing engines.
Replacement interval: see 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 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
|
type
|
code
|
custom
|
electrode gap
|
gasket/seal
|
Interval
|
key dimensions
|
thread length
|
thread
|
recommended tightening torque
|
detail
|
| D08IR | 1865 | * | 0,55 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| D10IR | 1829 | * | 0,55 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| DOR08IR | 1802 | * | 0,8 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| DOR10IR | 1801 | * | 0,8 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| DOR12IR | 1721 | * | 0,8 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| DOR14IR | 1441 | * | 0,8 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 19 mm | M 14x1,25 | 20-30 Nm |
|
| ER10IR | * | 0,8 | P | max. 50 motohodin (Racing) / max. 45.000 km (Tuning) | 16 mm | 26,5 mm | M 14x1,25 | 20-30 Nm |
|