Ngk Spark Plugs Iridium Ix Spark Plug
Ngk Spark Plugs Iridium Ix Spark Plug
Available in stock (15)
About this product
About this product
Experience the pinnacle of spark plug technology with the Ngk Spark Plugs Iridium IX Spark Plug. This spark plug represents the ultimate evolution in performance, brought to you by the industry leader. Benefit from enhanced ignition and engine performance with this advanced design.
Description
The Iridium IX spark plug features an iridium electrode that's significantly smaller than both platinum and conventional nickel electrodes, enhancing ignition efficiency and reducing voltage requirements. Its ultra-small diameter center electrode not only improves performance but also extends the life of your ignition system. The new metal shell plating offers superior anti-corrosion properties, ensuring long-lasting durability and reliability in demanding conditions. Easy to install, this spark plug is designed for optimal performance and longevity.
Features & highlights
- Experience enhanced ignition efficiency with the ultra-fine iridium electrode.
- Reduce voltage requirements and extend ignition system life.
- Enjoy superior anti-corrosion properties thanks to the new metal shell plating.
- Benefit from reliable performance in demanding conditions.
- Improved throttle response and overall engine performance.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 6546
- 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: 8
- Hex Size: 16 mm (5/8")
- Spark Gap: 0.8 mm
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 12 mm
- Terminal Configuration: Solid Terminal
- Type: Resistor Type
Important to know
Please verify compatibility with your motorcycle's make and model before purchasing.
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
6546
Spark Plug
12 mm
19,1 mm (3/4")
0.8 mm
Solid Terminal
8
16 mm (5/8")
Grooved
Single
Iridium
Necked Down
Non-Projected
5k Ohms
Resistor Type
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.

