
NGK (LFR7AIX) Iridium IX Spark Plugs
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Quick answers
- What do buyers say about the NGK (LFR7AIX) Iridium IX Spark Plugs?
- Rated 5 out of 5 from 92 ratings. Buyers like: Crucial for a big build; Works great like intended; Best quality and heat range. Common complaints: Took a little time to arrive.
NGK (LFR7AIX) Iridium IX Spark Plugs price history
Lowest price we've seen: $43.95 on Oct 29. Tracked across 2 stores since Oct 29.
From Import Image Racing
- Sold as a set of 4 spark plugs
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
- Guarantee
- 60 days manufacturer warranty; authorized NGK dealer so products are authentic and covered by manufacturer warranty.
- In the box
- Set of 4 spark plugs
About the NGK (LFR7AIX) Iridium IX Spark Plugs
Fitment Information:
2006-2014 Subaru WRX
2004-2021 Subaru STi
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XT
2004-2008 Subaru Forester XT
Features:
• Sold as a set of 4 spark plugs
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage
• Longevity: 50k Miles
• 60 Days manufacturer Warranty
Shell
Spark Plug Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Flat
Reach: 26.5mm (1.04")
Wrench Diameter: 5/8" (16mm)
Terminal Type: Solid
Gap: .031" (0.8mm)
Center Electrode
What buyers say
- Crucial for a big build
- Works great like intended
- Best quality and heat range
- A must if you're tuned
- Car runs like new
- Perfect fit for the build
- Took a little time to arrive
Specifications
- Thread size
- 14mmSource






