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  • Regular price £10.00

NGK is the world's leading manufacturer of spark plugs.

State - of - the - art production facilities, large investments in research and development, as well as the strong commitment to racing,

Formula 1 to two-wheel motor sport, makes the NGK spark plug so successful.

NGK LMAR7A-9 (4908) - Standard Spark Plug / Sparkplug - Projected Centre Electrode

NGK: the world's leading pioneers of OEM quality spark plug technology for decades.

NGK is the brand leader in the UK spark plug market and are the world's biggest supplier to many major car manufacturers. Each and every one of their products are designed to meet the most rigorous standards and are the professionals' choice because of their quality and technical excellence. Their plugs can be found in use by teams in the F1, WRC and MotoGP. Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world.

The NGK Standard Spark Plug is constructed from durable material that is corrosion and abrasion resistant. The spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation and conductivity. This spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. It has corrugated ribs that prevent flashover and cold rolled threads to inhibit damage to the cylinder head.


  • OEM quality
  • Triple gasket sealing process
  • Consistent performance
  • The plug of choice in millions of vehicles

Technical Details:

  • Type: Compact type (Bantam), resistor type
  • Thread Size: 18mm (11/16")
  • Hex Size: 25.4mm (1")
  • Reach: 26.5mm (1 1/16")
  • Gap: .9mm (0.04")
  • Thread Pitch: 1.5mm (1/16")
  • Insulation Projection: .9mm (0.04")
Centre Electrode:
  • Type: Standard
  • Material: Nickel
  • Size: 2.5mm (1/8")
  • Projection: Projected
Ground Electrode:
  • Type: Standard
  • Material: Nickel
  • Electrode Count: 1

Notes: Extra long reach thread. 26.5mm gasket type or 25mm taper seat type.


    For KTM 1290 2 LKAR9BI-9 are required along with 2 LMAR7A-9