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DENSO BOUGIES IRIDIUM RACING
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RU01-*(27. 31. 34) *RU01- are surface gap plugs, not ones with iridium center electrode and all-platinum ground electrodes. |
IXU01- Electrode Shape A |
IRE01- Electrode Shape B |
IW06- |
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IK02- |
IKH01- Electrode Shape A |
IQ02- |
IWM01- Electrode Shape A |
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Electrode Shape A |
Electrode Shape A |
Electrode Shape A |
Electrode Shape A |
= Heat Range (Gamme thermique)

Cross Reference the heat range
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DENSO
|
16
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20
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22
|
24
|
27
|
29
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31
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32
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34
|
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CHAMPION
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12, 11
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10, 9
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8, 7
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63, 61
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59
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57
|
55
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53
|
- |
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NGK
|
5
|
6
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7
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8
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9
|
9.5
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10
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10.5
|
11
|
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BOSCH
|
8
|
7, 6
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5
|
4
|
3
|
- |
2
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- | - |

| TYPE | SPEC | Dia. (mm) |
Reach (mm) |
HEX (mm) |
GAP (mm) |
Projection
(mm) |
Spark position (mm) |
Ground electrode height (mm) |
Terminal shape |
Resistor (kΩ) |
| IK01-24 | ISO(SLANT ELEC.) | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IK01-27 | ISO(SLANT ELEC.) | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IK01-31 | ISO(SLANT ELEC.) | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IK01-34 | ISO(SLANT ELEC.) | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IK02-24 | ISO(STRAIGHT ELEC.) | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IK02-27 | ISO(STRAIGHT ELEC.) | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IK02-31 | ISO(STRAIGHT ELEC.) | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IKH01-24 | LONG REACH | 14 | 26.5 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IKH01-27 | LONG REACH | 14 | 26.5 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IKH01-31 | LONG REACH | 14 | 26.5 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IQ01-24 | SLANT ELEC. | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IQ01-27 | SLANT ELEC. | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IQ01-31 | SLANT ELEC. | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IQ01-34 | SLANT ELEC. | 14 | 19 | 16 | 0.7 | -1.0 | 0.5 | 2.0 | S | 5 |
| IQ02-24 | STRAIGHT ELEC. | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IQ02-27 | STRAIGHT ELEC. | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IQ02-31 | STRAIGHT ELEC. | 14 | 19 | 16 | 0.7 | -2.3 | -0.8 | 0.7 | S | 5 |
| IW01-24 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW01-27 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW01-29 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW01-31 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW01-32 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW01-34 | W-E | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | RC | 5 |
| IW06-27 | W-E NON RESISTOR | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 0 |
| IW06-31 | W-E NON RESISTOR | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 0 |
| IW06-34 | W-E NON RESISTOR | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 0 |
| IRE01-27 | ROTARY ENGINE | 14 | 21.5 | 20.6 | 0.7 | -2.2 | -0.7 | 0.8 | RC | 5 |
| IRE01-31 | ROTARY ENGINE | 14 | 21.5 | 20.6 | 0.7 | -2.2 | -0.7 | 0.8 | RC | 5 |
| IRE01-32 | ROTARY ENGINE | 14 | 21.5 | 20.6 | 0.7 | -2.2 | -0.7 | 0.8 | RC | 5 |
| IRE01-34 | ROTARY ENGINE | 14 | 21.5 | 20.6 | 0.7 | -2.2 | -0.7 | 0.8 | RC | 5 |
| IRE01-35 | ROTARY ENGINE | 14 | 21.5 | 20.6 | 0.7 | -2.2 | -0.7 | 0.8 | RC | 5 |
| IRL01-27 | ROTARY RX8(LEADING) | 14 | 21 | 20.6 | 1.1 | -2.5 | -0.5 | 1.6 | S | 5 |
| IRL01-31 | ROTARY RX8(LEADING) | 14 | 21 | 20.6 | 1.1 | -2.5 | -0.5 | 1.6 | S | 5 |
| IRT01-31 | ROTARY RX8(TRAILING) | 14 | 19 | 20.6 | 1.1 | -2.5 | -0.5 | 1.6 | S | 5 |
| IRT01-34 | ROTARY RX8(TRAILING) | 14 | 19 | 20.6 | 1.1 | -2.5 | -0.5 | 1.6 | S | 5 |
| IA01-31 | WITH DETONATION COUNTER | 14 | 22 | 16 | 0.6 | -1.0 | 0.5 | 1.9 | S | 5 |
| IA01-32 | WITH DETONATION COUNTER | 14 | 22 | 16 | 0.6 | -1.0 | 0.5 | 1.9 | S | 5 |
| IA01-34 | WITH DETONATION COUNTER | 14 | 22 | 16 | 0.6 | -1.0 | 0.5 | 1.9 | S | 5 |
| IAE01-32 | W/OUT DETONATION COUNTER | 14 | 19 | 16 | 0.6 | -1.3 | 0.5 | 2.1 | S | 5 |
| IAE01-34 | W/OUT DETONATION COUNTER | 14 | 19 | 16 | 0.6 | -1.3 | 0.5 | 2.1 | S | 5 |
| IWM01-29 | W-EM | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 5 |
| IWM01-31 | W-EM | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 5 |
| IWM01-32 | W-EM | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 5 |
| IWM01-34 | W-EM | 14 | 19 | 20.6 | 0.6 | -1.5 | 0.0 | 1.6 | S | 5 |
| IXU01-24 | XU-E | 12 | 19 | 16 | 0.6 | -1.5 | 0.0 | 1.4 | R | 5 |
| IXU01-27 | XU-E | 12 | 19 | 16 | 0.6 | -1.5 | 0.0 | 1.4 | R | 5 |
| IXU01-31 | XU-E | 12 | 19 | 16 | 0.6 | -1.5 | 0.0 | 1.4 | R | 5 |
| IXU01-34 | XU-E | 12 | 19 | 16 | 0.6 | -1.5 | 0.0 | 1.4 | R | 5 |
| IU01-24 | U-E | 10 | 19 | 16 | 0.6 | -1.8 | -0.3 | 1.2 | R | 5 |
| IU01-27 | U-E | 10 | 19 | 16 | 0.6 | -1.8 | -0.3 | 1.2 | R | 5 |
| IU01-31 | U-E | 10 | 19 | 16 | 0.6 | -1.8 | -0.3 | 1.2 | R | 5 |
| IU01-34 | U-E | 10 | 19 | 16 | 0.6 | -1.8 | -0.3 | 1.2 | R | 5 |
| *RU01-27 | U-E(SURFACE) | 10 | 19 | 16 | 1.1 | -0.2 | 0.0 | 0.0 | R | 5 |
| *RU01-31 | U-E(SURFACE) | 10 | 19 | 16 | 1.1 | -0.2 | 0.0 | 0.0 | R | 5 |
| *RU01-34 | U-E(SURFACE) | 10 | 19 | 16 | 1.1 | -0.2 | 0.0 | 0.0 | R | 5 |
| * | --- | These plugs do not have iridium electodes. |
| Spark gap | --- | For example, for a 1.1mm gap, it is set at the range between 1.0 and 1.1mm. |
| Insulator projection | --- | This is the distance from the end of the housing to the end of the insulator. The + direction is the direction of the piston. |
| Spark position | --- | This is the distance from the end of the housing to the tip of the center electrode. The + direction is the direction of the piston. |
| Ground electrode height | --- | This is the distance from the end of the housing to the tip of the ground electrode. The + direction is the direction of the piston. |
| Terminal shape | --- | S;Solid R;Removable RC;Crimped T;Threaded |