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NGK Iridium IX Spark Plugs for 2009+ 5.7L VVT & 2015+ 6.2L HEMI, Set of 16 - LFR7AIX

Price: $138.95
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NGK Spark plugs has been a leader in spark plug technology since opening in 1936. When you buy NGK Spark plugs for you HEMI powered vehicle, you get some of the highest quality and most reliable spark plugs on the market. NGK utilizes their ISO certified, advanced manufacturing facilities around the country to ensure that anyone who runs their parts, gets only the best of the best.

From the Manufacturer

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.

  • Fine iridium tip ensures high durability and a consistently stable spark
  • Iridium alloy has extremely high melting point, perfect for today’s high-tech, high-performance engines
  • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance


  • Shorty Spark Plug: No
  • Resistor: Yes
  • Manufacturer Heat Range: 7
  • Electrode Core Material: Copper
  • Electrode Tip Material: Iridium
  • Insulator Type: Projected Spark Plug
  • Thread Size: 14mm
  • Spark Plug Reach: 1.043 in.
  • Spark Plug Seat Style: Gasket
  • Wrench Diameter: 5/8 in.
  • Ground Strap Quantity: One
  • NGK Part Number: LFR7AIX
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