IRIDIUM POWER - Lineup | Products | SPARK PLUG | Automotive Service Parts and Accessories (2024)

IRIDIUM POWER - Lineup | Products | SPARK PLUG | Automotive Service Parts and Accessories (1)

Features
Lineup
Specifications

Product lineup of iridium power and introduction of feature.
* The design of the insulator mark varies according to the thermal value.

IKH series

IKH16. IKH20. IKH22. IKH24. IKH27

φ14 mm ×L26.5 mm length long reach type.
For Subaru 3 Liter, Nissan, Peugeot, Citroen, and Yamaha Marine.
VKH16, VKH20, and VKH22 are also on sale.

IK series

IK16. IK20. IK22. IK24. IK27. IK31. IK34

Mainly used for cars. ISO type.
φ14 mm ×L19 mm length type.
IK22 and above are for tuned engines, with a spark gap of 0.8 mm.
IK16G, IK20G, and IK22G have a solid, stainless steel gasket (mainly used with Honda engines).
VK16, VK20, and VK22 are also on sale at the same time.
IK□L is extended type (spark position 5mm)

IK-L series

IK16L. IK20L

φ14 mm X L19 mm X Hex 16mm.
Extended Type The spark position is longer than IK20 by 2mm.
KJ16CR-L11 / KJ16CR are substituted by IK16L KJ20CR-L11 / KJ20CR11 are substituted by IK20L(see this catalog for more substitution)

IK-G series

IK16G. IK20G. IK22G

Mainly used for cars. ISO type.
φ14 mm X L19 mm length type.
IK22 and above are for tuned engines with a spark gap of 0.8 mm.
K16G, IK20G, and IK22G have a solid, stainless steel gasket (mainly used with Honda engines).
VK16G, VK20G, VK22G are also on sale at the same time.

IQ series

IQ16. IQ20. IQ22. IQ24. IQ27. IQ31. IQ34

Mainly used for cars.
φ14 mm ×L19 mm length type.
IQ22 and above are for tuned engines, with a spark gap of 0.8 mm.
VQ16, VQ20, and VQ22 are also on sale.

IW series

IW16. IW20. IW22. IW24. IW27. IW29. IW31. IW34

φ14 mm ×L19 mm length fully threaded type.
IW16 to 22 are focused on ignitability with a 1.5 mm projection, whereas IW24 to 34 are focused on heat resistance with a projection of -1.5 mm.
The spark position of IW24 to 34 is projected 0.5mm compared to normal (1.0 → 1.5 mm).
Equipped with 0.4 mm diameter iridium center electrode for improved ignitability.
VW16, VW20, and VW22 are also on sale.

IWM series

IWM24. IWM27. IWM31

This type has a gasket face height shortened by approximately 10 mm from the IW Type.
The version of the IWM01-□ Iridium Racing plugs.
Sold as street-use plugs for 2-cycle 250cc sports bikes.
For Honda NSR250, Yamaha TZ250R, Suzuki RGV250Γ (Gamma), Aprilia RS250, KTM260, 300, and 380 (’99 and later).
Can also be used for water cooled kart engines.

IWF series

IWF16. IWF20. IWF22. IWF24. IWF27

φ14 mm ×L12.7 mm length short reach type.
WF27 utilizes the heat resistance of the iridium electrode to extend the spark position 0.5 mm (1.0 → 1.5 mm)
Harnessing the low required voltage of the 0.4mm dia. iridium, the gap is wider than in standard types (0.7 → 0.8 mm). Ignitability is increased even further.

ITV series

ITV16. ITV20. ITV22. ITV24.ITV27

φ14 mm ×L25.0 mm length tapered seat, long reach type.
For the Ford Focus, Mondeo, Escape, Chevrolet Blazer and Mazda Tribute.

ITL series

ITL16. ITL20

φ14 mm ×L25.0 mm length tapered seat, long reach type.
Designed so that the head of the plug is 6 mm higher than in the ITV.
Use with Chrysler’s PT Cruiser, Voyager, Dodge, Magnum for 2005 model years and later.

IT series

IT16. IT20. IT22. IT24. IT27

φ14 mm ×L17.5 mm length tapered seat type.
For use with GM, Ford, Citroen, Jaguar, Peugeot, Volvo, Mercedes- Benz, Lancia, Renault, Audi, and Mazda.
VT16, VT20 are also on sale.

ITF series

ITF16. ITF20. ITF22. ITF24. ITF27

φ14 mm ×L11.2 mm length tapered seat type.
For use with GM and Ford.

IXUH series

IXUH22. IXUH20I. IXUH22I

φ12 mm ×L26.5 mm lenghth fully threaded type.
The insulator is fully projected(1.5mm), creating greater heat range and greater ignitability.
16mm Hex
Application: BMW Mercedes Benz Honda Mitsubishi Mazda Subaru Suzuki Daihatsu.
VXUH22, VXUH20I, VXUH22I are also on sale.

IXU series

IXU22. IXU24. IXU27. IXU22I

φ12 mm ×L19 mm length fully threaded type.
The insulator is fully projected (1.5 mm), creating a wide heat range and greater ignitability.
16 mm Hex
For use with small cars and imported motorcycles such as Ducati.
VXU20, VXU22, VXU24, VXU22I are also on sale.

IX series

IX22. IX24. IX27

φ12 mm ×L19 mm length fully threaded type.
Using the high heat resistance of the iridium electrode, the spark position is projected 0.4 mm more than in standard types. (1.6 → 2.0 mm)
Harnessing the low required voltage of the 0.4mm dia. iridium the gap is wider than in the standard types (0.7 → 0.8 mm). A further increase in ignitability.
18 mm Hex

IX-B series

IX22B. IX24B. IX27B

φ12 mm ×L19 mm length fully threaded type.
Compared to the IX type, the insulator projection is extended 0.9 mm (0.6 → 1.5 mm), resulting in a wider heat range.
The spark position is projected 0.8 mm more than the IX type. (2.0 → 2.8 mm)
18 mm Hex

IXG series

IXG24. IXG27

The Iridium Power versions of the 2 mm shroud type plugs (X24/27GPU) used by Honda.
Applicable to CB400SS. An expansion of applications is planned.
Applicable to Honda CB400SS, XR400RR, CL400/RS, XLR250R, CBX250S, FTR250, CBX400F, XR250R.

IU series

IU20. IU22. IU24. IU27. IU31. IU22D. IU24D. IU27D

φ10 mm ×L19 mm length fully threaded type.
Harnessing the low required voltage of the 0.4 mm iridium center electrode, the spark gap is wider than in normal type. A further increase in ignitability. (0.8 → 0.9mm)
For motorcycles such as Yamaha and Kawasaki, also for Ferarri, Maserati, and Alfa Romeo.

IU-A series

IU24A. IU27A. IU31A

φ10 mm ×L19 mm length fully threaded slant ground electrode type.
Harnessing the low required voltage of the 0.4 mm dia. iridium, the gap is wider than in normal type (0.7 → 0.9 mm). Ignitability is greatly increased.
By making this a single electrode, the spark location is stabilized compared to in normal types (double ground electrode), securing an ideal combustion condition.

IUH series

IUH24. IUH27

φ10 mm ×L19 mm length half-threaded type.
Using the high heat resistance of the iridium electrode, the spark position is extended 0.4 mm compared to standard types (1.6 → 2.0 mm)
Use only with Honda

IUF series

IUF22. IUF24. IUF14-UB

φ10 mm ×L12.7 mm length short reach type.
Using the high heat resistance of the iridium, the spark position is extended 0.4 mm compared to standard types (1.6 → 2.0 mm)
Harnessing the low required voltage of the 0.4 mm dia. iridium, the spark gap is wider than in normal types (0.7 → 0.8 mm). Ignitability is greatly increased.

IUF-A series

IUF27A. IUF31A

φ10 mm ×L12.7 mm length short type.
Ideal for Gorilla/ Monkey Racing.
The ground electrode has a slant shape, reducing the thermal stress on it.

IY series

IY24. IY27. IY31

φ8 mm ×L19 mm length tapered seat, half thread type.
The world’s first 8 mm thread diameter iridium plug.
Can be used with Honda Smart Dio (’04-), VFR400, RVF400, Kitaco Monkey Head, and NR750.