Ngk Spark Plug CR8HIX 7669

Description

NGK CR8HIX Iridium Spark Plug - CR8HIX

Key Features:

  • Iridium Center Electrode: The fine wire (0.6mm) iridium center electrode is designed for high durability and consistent spark performance, even in high-performance engines. Iridium is significantly stronger and harder than platinum, making it ideal for modern, high-tech engines.
  • Tapered Cut Ground Electrode: The tapered cut on the ground electrode improves spark quenching, which enhances flame core growth and increases ignitability, resulting in better combustion efficiency.
  • Trivalent Metal Plating: This plating enhances corrosion resistance and prevents seizing, which is particularly useful for high-performance applications where reliability is critical.
  • Copper Core: The copper core aids in heat dissipation, ensuring that the spark plug operates at an optimal temperature and maintains its performance under extreme conditions.
  • Pure Alumina Silicate Ceramic Insulator: This ceramic material provides superior strength and better heat transfer, ensuring a stable and consistent spark.
  • Triple Seals: The triple seals prevent internal leakage, adding to the longevity and reliability of the plug.

Specifications:

  • Heat Range: 7
  • Thread Size: 10mm
  • Reach: 19mm (3/4")
  • Hex Size: 5/8" (16mm)
  • Type: Resistor
  • Gap: 0.031" (0.8mm)
  • Terminal Type: Stud Terminal
  • Weight: 0.06 lbs
  • Units: Sold each
  • Alternate/OEM Part Numbers: 21030079, 4218
  • Part Number: 37-CR8HIX (radhouse.co.uk)

Applications:

Kawasaki:

  • 1987–2008 Kawasaki EX250F Ninja 250R (1988–2008 models)
  • 1989–1991 Kawasaki EL250B/EL250E
  • 1996–1997 Kawasaki EX250F Ninja 250R
  • 1990 Kawasaki EX250F Ninja 250R

Moto Guzzi:

  • 1985–1986 Moto Guzzi V 65 Lario

Benefits:

  • Increased Ignitability: The iridium center electrode and tapered cut ground electrode work together to enhance ignition performance, resulting in a more stable and stronger spark, which is critical for high-performance engines.
  • Improved Acceleration: The combination of iridium’s durability and the fine wire design of the center electrode ensures a quicker response and more powerful ignition, improving acceleration.
  • Enhanced Fuel Efficiency: The increased combustion efficiency provided by the spark plug's design helps to optimize fuel usage, reducing waste and improving overall fuel economy.
  • Longer Lifespan: The iridium electrode's resistance to wear and its ability to withstand high temperatures ensures the plug lasts longer than standard plugs, reducing the frequency of replacements.

The NGK CR8HIX Iridium Spark Plug is a high-performance spark plug that represents the cutting edge of spark plug technology. Designed for serious enthusiasts and high-tech engines, it provides better acceleration, improved fuel efficiency, and longer-lasting performance. Ideal for motorcycles like Kawasaki Ninja 250R, Moto Guzzi, and others, this plug will meet the demands of both street and racing applications.

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
KTM SX 50 2009-2020
KTM SX 65 2008-2020

Ngk Spark Plug CR8HIX 7669

Product form

NGK CR8HIX Iridium Spark Plug - CR8HIX Key Features: Iridium Center Electrode: The fine wire (0.6mm) iridium center electrode is... Read more

22 in stock 1-2 business days

£20.04 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 37-CR8HIX
    Barcode: 087295176696

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    NGK CR8HIX Iridium Spark Plug - CR8HIX

    Key Features:

    • Iridium Center Electrode: The fine wire (0.6mm) iridium center electrode is designed for high durability and consistent spark performance, even in high-performance engines. Iridium is significantly stronger and harder than platinum, making it ideal for modern, high-tech engines.
    • Tapered Cut Ground Electrode: The tapered cut on the ground electrode improves spark quenching, which enhances flame core growth and increases ignitability, resulting in better combustion efficiency.
    • Trivalent Metal Plating: This plating enhances corrosion resistance and prevents seizing, which is particularly useful for high-performance applications where reliability is critical.
    • Copper Core: The copper core aids in heat dissipation, ensuring that the spark plug operates at an optimal temperature and maintains its performance under extreme conditions.
    • Pure Alumina Silicate Ceramic Insulator: This ceramic material provides superior strength and better heat transfer, ensuring a stable and consistent spark.
    • Triple Seals: The triple seals prevent internal leakage, adding to the longevity and reliability of the plug.

    Specifications:

    • Heat Range: 7
    • Thread Size: 10mm
    • Reach: 19mm (3/4")
    • Hex Size: 5/8" (16mm)
    • Type: Resistor
    • Gap: 0.031" (0.8mm)
    • Terminal Type: Stud Terminal
    • Weight: 0.06 lbs
    • Units: Sold each
    • Alternate/OEM Part Numbers: 21030079, 4218
    • Part Number: 37-CR8HIX (radhouse.co.uk)

    Applications:

    Kawasaki:

    • 1987–2008 Kawasaki EX250F Ninja 250R (1988–2008 models)
    • 1989–1991 Kawasaki EL250B/EL250E
    • 1996–1997 Kawasaki EX250F Ninja 250R
    • 1990 Kawasaki EX250F Ninja 250R

    Moto Guzzi:

    • 1985–1986 Moto Guzzi V 65 Lario

    Benefits:

    • Increased Ignitability: The iridium center electrode and tapered cut ground electrode work together to enhance ignition performance, resulting in a more stable and stronger spark, which is critical for high-performance engines.
    • Improved Acceleration: The combination of iridium’s durability and the fine wire design of the center electrode ensures a quicker response and more powerful ignition, improving acceleration.
    • Enhanced Fuel Efficiency: The increased combustion efficiency provided by the spark plug's design helps to optimize fuel usage, reducing waste and improving overall fuel economy.
    • Longer Lifespan: The iridium electrode's resistance to wear and its ability to withstand high temperatures ensures the plug lasts longer than standard plugs, reducing the frequency of replacements.

    The NGK CR8HIX Iridium Spark Plug is a high-performance spark plug that represents the cutting edge of spark plug technology. Designed for serious enthusiasts and high-tech engines, it provides better acceleration, improved fuel efficiency, and longer-lasting performance. Ideal for motorcycles like Kawasaki Ninja 250R, Moto Guzzi, and others, this plug will meet the demands of both street and racing applications.

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    KTM SX 50 2009-2020
    KTM SX 65 2008-2020

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

    WHY NOT CHECK OUT

    Recently viewed products

      Sign up for our newsletter

      Subscribe to our Mailing List

      Never miss any news and be the first to know about sale and offers

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa