Ngk Iridium Ix Racing Spark Plug - Superior Ignition
Ngk Iridium Ix Racing Spark Plug - Superior Ignition
Available in stock (5)
-
Estimated delivery: Feb 03 - Feb 07
About this product
About this product
Experience the pinnacle of spark plug technology with the NGK Iridium IX Racing Spark Plug. This spark plug delivers unmatched performance and reliability for your motorcycle's engine. Get ready for improved throttle response, enhanced fuel efficiency, and a smoother, more powerful ride.
Description
The NGK Iridium IX Racing Spark Plug features an ultra-fine wire iridium center electrode, significantly smaller than both platinum and conventional nickel electrodes. This reduction in size concentrates the spark energy, requiring less voltage for ignition and extending the life of your ignition system. The taper cut ground electrode further enhances ignition efficiency and reduces quenching. New metal shell plating provides superior anti-corrosion properties, ensuring long-lasting performance even in harsh environments. Upgrade to NGK Iridium IX Racing Spark Plugs and unleash the full potential of your engine with reliable and consistent spark delivery.
Features & highlights
- Ultra-fine iridium center electrode for superior ignitability and focused spark.
- Reduces voltage requirements, extending the life of the ignition system.
- Taper cut ground electrode enhances ignition efficiency.
- New metal shell plating offers exceptional anti-corrosion protection.
- Improved throttle response and fuel efficiency.
- Ensures reliable and consistent performance.
Technical specifications
- Brand: NGK Spark Plugs
- Part Number: 4940
- Center Electrode Type: Fine Wire
- Center Electrode Projection: Non-Projected
- Electrode Tip Material: Iridium
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Taper Cut
- Heat Range: 10
- Hex Size: 16 mm (5/8")
- Thread Reach: 19.1 mm (3/4")
- Thread Size: 10 mm
- Spark Gap: 0.6 mm
- Electrical Resistance: 5k Ohms
- Terminal Configuration: Threaded Stud
- Type: Resistor Type
Important to know
Ensure the correct spark plug is selected for your specific motorcycle model. Refer to your vehicle's manual for proper installation procedures and torque specifications.
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
4940
Spark Plug
10 mm
19,1 mm (3/4")
0.6 mm
Threaded Stud
10
16 mm (5/8")
Taper Cut
Single
Iridium
Fine Wire
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.

