![](https://am.denso.com/plug-global/wp-content/uploads/sites/23/iridiumracing_top_logo.jpg)
Product lineup of iridium racing and introduction of feature.
* The design of the insulator mark varies according to the thermal value.
Electrode Shape
![電極形状](https://am.denso.com/plug-global/wp-content/uploads/sites/23/iridiumracing_lineup_shape.jpg)
Lineup (□ : indicates the heat range)
![IU01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/1_IU01-A.jpg)
IU01-□
- Electrode Shape
- Height of plug 50mm
- U-E
RU01-□
- Electrode Shape
- Height of plug 50mm
- U-E (SURFACE)
* Iridium center electrode, not an all-platinum ground electrode.
![IXU01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/2_IXU01-A.jpg)
IXU01-□
- Electrode Shape
- Height of plug 51mm
- XU-E
![IRE01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/3_IRE01-B.jpg)
IRE01-□
- Electrode Shape
- Height of plug 66mm
- ROTARY ENGINE
![IW01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/4_IW0106-A.jpg)
IW01-□
- Electrode Shape
- Height of plug 56mm
- W-E
IW06-□
- Electrode Shape
- Height of plug 56mm
- W-E (NON=RESISTOR)
![IWM01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/5_IWM01-A.jpg)
IWM01-□
- Electrode Shape
- Height of plug 47.3mm
- W-EM
![IK01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/6_IK0102-A.jpg)
IK01-□
- Electrode Shape
- Height of plug 50.5mm
- ISO (SLANT ELECT)
IK02-□
- Electrode Shape
- Height of plug 50.5mm
- ISO (STRAIGHT ELECT)
![IQ01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/7_IQ0102-A.jpg)
IQ01-□
- Electrode Shape
- Height of plug 53mm
- SLANT ELECT
IQ02-□
- Electrode Shape
- Height of plug 53mm
- STRAIGHT ELECT
![IA01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/8_IA01-A.jpg)
IA01-□
- Electrode Shape
- Height of plug 27.6mm
- Length of screw 22mm
- FOR DETONATION COUNTER
![IAE01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/9_IAE01-A.jpg)
IAE01-□
- Electrode Shape
- Height of plug 27.6mm
- Length of screw 19mm
- FOR W/OUT DETONATION COUNTER
![IKH01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/10_IKH01-A.jpg)
IKH01-□
- Electrode Shape
- Height of plug 50.5mm
- Length of screw 26.5mm
- K-LONGREACH
![IRL01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/11_IRL01-A.jpg)
IRL01-□
- Electrode Shape
- Height of plug 62mm
- Length of screw 21mm
- ROTARY ENGINE RX8
![IRL01-□](https://am.denso.com/plug-global/wp-content/uploads/sites/23/12_IRT01-A.jpg)
IRT01-□
- Electrode Shape
- Height of plug 62mm
- Length of screw 19mm
- ROTARY ENGINE RX8
Actual products may differ from images shown.