SKU: 2418144256

NGK Spark Plug - LFR6A (6668)

Sale price$35.54 Regular price$39.49
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Description

NGK Spark Plug - LFR6A (6668)NGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. NGK has an extensive range of spark plugs, each with their own unique characteristics specifically engineered to its application and designed to suit a broad range of motorcycles, ATVs & UTVs in Australasia. With NGK's dedication to quality, outstanding reliability and state of the art manufacturing techniques, you can rely on your NGK

NGK have over 80 years of experience in spark plug manufacturing and are the world leader in spark plug technology. NGK has an extensive range of spark plugs, each with their own unique characteristics specifically engineered to its application and designed to suit a broad range of motorcycles, ATVs & UTVs in Australasia. With NGK's dedication to quality, outstanding reliability and state of the art manufacturing techniques, you can rely on your NGK Spark Plugs.

Don’t just ask for a spark plug, insist on NGK.

The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating. While cold-rolled threads prevent cross-threading and damage to cylinder heads and a trivalent plating eliminates the need for anti-seize. Complete with a high-grade alumina silicate ceramic.

The principle of NGK's patented V-grooved spark plugs is technically simple but very effective. A V-groove is situated in the centre electrode. This forces the spark to occur at the outer edge of the centre electrode where it is easier to ignite the air-fuel mixture. In addition, the voltage required to produce a spark is reduced. These two features give the benefit of improved ignitability, especially in modern low-emission lean-burn engines, even under extreme operating conditions.

Shell

  • Thread Size: 14mm
  • Thread Pitch: 1.25mm
  • Seat Type: Gasket
  • Resistor Value: 5K Ohm
  • Reach: 26.5mm (1.04")
  • Hex Size: 16mm (5/8")
  • Terminal Type: Solid
  • Overall Height: ISO
  • Gap: 0.9mm (0.035")

Centre Electrode

  • Material: Nickel
  • Type: V-Cut
  • Size: 2.5mm
  • Projection: Projected

Ground Electrode

  • Material: Nickel
  • Type: Standard
  • Quantity: 1

Specifications

  • Heat Range: 6
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2418144256

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4.4 ★★★★★
Based on 21 reviews
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Verified Purchase
Tanisha Barnwell
Massapequa, US
★★★★★ 1
Keeps dropping
It’s not staying latch. It keeps dropping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
L
Verified Purchase
Laxraddad
Cuba, US
★★★★★ 5
Rare accessory for VW Arteon
Size: 2019-2020 Arteon
After market items made specifically for the 2019-2020 VW Arteon are rare. Picked it up quickly!
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Reviewed in the United States on July 14, 2024
W
Verified Purchase
Wayne W. Bogan
Pawtucket, US
★★★★★ 5
Fits perfectly
Size: 2021-2023 Arteon
Fits just right on my 2022 Arteon.
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Reviewed in the United States on July 12, 2024
C
Verified Purchase
Chouachiang Vang
Waukegan, US
★★★★★ 5
Best mount for Gen 2 Tacoma.
Sturdy, fits good, and simple. Can’t close vent, but I expected it and it’s worth the trade-off. Highly recommended.
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Reviewed in the United States on March 3, 2026
S
Verified Purchase
sam
Lake Worth, US
★★★★★ 5
Worth every penny!
Excellent quality. Very easy installation. Took me less than 2 minutes. Holds phone securely. Looks very good. Easy adjustment. Very pleased. Worth every penny. Highly recommend. Update: I've been using it almost 2 months and it seems very well made. No issues. Very satisfied.
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Reviewed in the United States on February 1, 2026

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