Ngk Iridium Ix Spark Plug - Superior Ignition
Ngk Iridium Ix Spark Plug - Superior Ignition
Available in stock (15)
About this product
About this product
Experience the pinnacle of spark plug technology with the NGK Iridium IX Spark Plug. Designed for peak performance and longevity, this spark plug delivers enhanced ignition and fuel efficiency for your motorcycle. Upgrade to Iridium IX and unleash the full potential of your engine.
Description
The NGK Iridium IX Spark Plug represents a significant leap in spark plug technology. Featuring an ultra-fine iridium center electrode, this plug ensures a concentrated spark and requires less voltage, extending the life of your ignition system. The electrode is 25% smaller than platinum and just 1/4 the size of a conventional nickel electrode. This design drastically improves ignitability, throttle response, and anti-fouling. The new metal shell plating offers enhanced anti-corrosion properties, ensuring reliable performance even in harsh conditions. With its resistor type design and precise construction, the NGK Iridium IX spark plug provides consistent and dependable operation.
Features & highlights
- Ultra-fine Iridium center electrode for improved ignitability and performance.
- Reduced voltage requirement extends ignition system life.
- Enhanced throttle response and superior anti-fouling characteristics.
- New metal shell plating provides superior anti-corrosion properties.
- Designed to deliver consistent and reliable performance.
- Improved fuel efficiency and reduced emissions.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 5438
- Center Electrode Type: Necked Down
- Center Electrode Projection: Non-Projected
- Electrode Tip Material: Iridium
- Electrical Resistance: 5k Ohms
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Grooved
- Heat Range: 9
- Hex Size: 20.6 mm (13/16")
- Spark Gap: 0.8 mm
- Terminal Configuration: Solid Terminal
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 14 mm
- Type: Resistor
- Units: Each
Important to know
Ensure correct fitment for your specific motorcycle model. Refer to your vehicle's manual for spark plug specifications and installation guidelines.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
NGK SPARK PLUGS
5438
Spark Plug
14 mm
19,1 mm (3/4")
0.8 mm
Solid Terminal
9
20,6 mm (13/16")
Grooved
Single
Iridium
Necked Down
Non-Projected
5k Ohms
Resistor
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

