Ngk Laser Iridium Spark Plug - Enhanced Ignition
Ngk Laser Iridium Spark Plug - Enhanced Ignition
Available in stock (15)
About this product
About this product
Upgrade your engine's performance with the NGK Laser Iridium Spark Plug. Engineered for exceptional durability and consistent spark, this spark plug delivers improved acceleration, fuel efficiency, and overall engine responsiveness. Trust NGK's advanced technology for reliable ignition and long-lasting performance.
Description
The NGK Laser Iridium Spark Plug features a fine iridium tip, ensuring high durability and a consistently stable spark for optimal combustion. Its trivalent metal plating offers superior anti-corrosion and anti-seizing properties, guaranteeing a long service life even in harsh environments. The ultra-small-diameter center electrode reduces the voltage requirement, extending the life of your ignition system. Benefit from outstanding acceleration, enhanced fuel efficiency, and robust durability, all thanks to the superior design and materials of this spark plug. The metal shell plating has enhanced anticorrosion qualities for increased longevity.
Features & highlights
- Fine iridium tip provides exceptional durability and a consistently stable spark.
- Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
- Experience outstanding acceleration and improved fuel efficiency.
- Ultra-small-diameter center electrode reduces voltage requirement, extending ignition system life.
- Enhanced anticorrosion metal shell plating for increased longevity.
- Resistor type plug minimizes electronic interference.
Technical specifications
- Brand: NGK Spark Plugs
- Vendor Part Number: 5990
- Center Electrode Type: Fine Wire
- Electrode Tip Material: Iridium
- Ground Electrode Configuration: Single
- Ground Electrode Shape: Standard, Taper Cut
- Heat Range: 8
- Hex Size: 16 mm (5/8")
- Spark Gap: 0.9 mm
- Thread Reach: 19 mm (3/4")
- Thread Size: 10 mm
- Type: Resistor Type
- Electrical Resistance: 5k Ohms
Important to know
Please verify the thread size (10 mm), thread reach (19 mm), and hex size (16 mm) are correct for your application before installation.
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
5990
Spark Plug
10 mm
19 mm (3/4")
0.9 mm
Threaded Stud
8
16 mm (5/8")
Standard, 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.

