Identifying Iridium Racing Plug Numbers
I |
W |
0 |
1 |
27 |
Classification |
Thread Size |
Serial Number |
Electrode Configuration |
Heating Ranges |
I: Iridium R: Surface Gap |
U: 10mm XU: 12mm A: 14mm AE: 14mm K: 14mm KH: 14mm Q: 14mm RE: 14mm RL: 14mm RT: 14mm W: 14mm WM: 14mm |
1: Diagonal ground electrode 2: Horizontal ground electrode 6: Diagonal ground electrode, non-resistor plug |
24 27 29 31 32 34 35 |
Iridium Racing Plug Table
Model (Heating Value) |
Thread Diameter (mm) |
Thread Length (mm) |
HEX (in) |
Plug Height (mm) |
Gasket |
Terminal/ Resistor |
Plug Profile |
Center Electrode Material |
Ground Electrode Material |
Available Heat Ranges |
IU01* |
10 |
19 |
5/8 |
50 |
Yes |
Removable /Yes |
1 A |
IR |
PT |
24, 27, 31, 34 |
RU01* |
10 |
19 |
5/8 |
50 |
Yes |
Removable/Yes |
1 C |
NI |
NI |
27, 31, 34 |
IXU01* |
12 |
19 |
5/8 |
51 |
Yes |
Removable/Yes |
2 A |
IR |
PT |
24, 27, 31, 34 |
IA01* |
14 |
22 |
5/8 |
27.6 |
No |
Solid/Yes |
3 A |
IR |
PT |
31, 32, 34 |
IAE01* |
14 |
19 |
5/8 |
27.6 |
Yes |
Solid/Yes |
4 A |
IR |
PT |
32, 34 |
IK01* |
14 |
19 |
5/8 |
50.5 |
Yes |
Solid/Yes |
5 A |
IR |
PT |
24, 27, 31, 34 |
IK02* |
14 |
19 |
5/8 |
50.5 |
Yes |
Solid/Yes |
5 B |
IR |
PT |
24, 27, 31 |
IKH01* |
14 |
26.5 |
5/8 |
50.5 |
Yes |
Solid/Yes |
6 A |
IR |
PT |
24, 27, 31 |
IQ01* |
14 |
19 |
5/8 |
53 |
Yes |
Solid/Yes |
7 A |
IR |
PT |
24, 27, 31, 34 |
IQ02* |
14 |
19 |
5/8 |
53 |
Yes |
Solid/Yes |
7 B |
IR |
PT |
24, 27, 31 |
IRE01* |
14 |
21.5 |
13/16 |
66 |
Yes |
Crimped/Yes |
8 B |
IR |
PT |
27, 31, 32, 34, 35 |
IRL01* |
14 |
21 |
13/16 |
62 |
Yes |
Solid/Yes |
9 A |
IR |
PT |
27, 31 |
IRT01* |
14 |
19 |
13/16 |
62 |
Yes |
Solid/Yes |
10 A |
IR |
PT |
31, 34 |
IW01* |
14 |
19 |
13/16 |
56 |
Yes |
Crimped/Yes |
11 A |
IR |
PT |
24, 27, 29, 31, 32, 34 |
IW06* |
14 |
19 |
13/16 |
56 |
Yes |
Solid/Yes |
11 A |
IR |
PT |
27, 31, 34 |
IWM01* |
14 |
19 |
13/16 |
47.3 |
Yes |
Solid/Yes |
12 A |
IR |
PT |
29, 31, 32, 34 |