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Home›SPARK PLUGS›NGK (7397) TR5IX IRIDIUM IX SPARK PLUG
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NGK (7397) TR5IX IRIDIUM IX SPARK PLUG

NGK

NGK

Iridium IX
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 – superior anti-corrosion and anti-seizing properties
  • Tapered ground electrode minimizes quenching
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance.

Spark Plug Type Performance Differences

 
Iridium IX
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 – superior anti-corrosion and anti-seizing properties
  • Tapered ground electrode minimizes quenching
  • Outstanding acceleration, high fuel efficiency and durability
  • Ultimate design, technology and performance.

Spark Plug Type Performance Differences

Correct Way to Check, Set, and Adjust Your Spark Plug Gap
Center Electrode Core Material Copper Core
Center Electrode Tip Material Iridium
Gap Size 0.04 in
Ground Electrode Quantity 1
Hex Size 5/8″
Insulator Height ISO
Manufacturer Heat Range 5
Additional Info 5K Ohm
Seat Type Tapered
Reach 17.5mm
Thread Diameter 14 MM
Ground Electrode Tip Design Taper Cut
Ground Configuration Standard
Ground Electrode Core Material Nickel Core
Alternate/OEM Part Number(s): 5273, 7549, BPR5EFVX, TR5IX

NGK Spark Plug Comparison Chart

NGK Spark Plugs

  • Precision ceramic insulators
  • Corrosion-resistant shell with triple high pressure gas seals
  • Screw or snap-on electrical connectors
  • Pre-installed metal compression gaskets
  • Copper-core electrode cooling
  • Application specific heat-range design
  • Improved cold-starting performance
  • Smooth firing at high or low engine RPM
  • Reduced electrode erosion and long service life
  • Enhanced ignition efficiency and fuel economy
  • Superior anti-fouling characteristics
  • Reduced hot-spark firing voltage requirements
  • Maximum engine horsepower and torque
  • Superior throttle-response, acceleration and WOT performance
  • Precision Laser-welded Iridium electrodes – 6X harder than platinum

 

₵30

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Availability: In Stock
SKU:7397

Sold in set of {2}; Price reflects cost of each individual item, not the pack

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