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Spark Plug - Iridium IX

Part #: NGK 5107
Line: NGK
Spark Plug - Iridium IX
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Features & Benefits

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NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.

  • NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability.
  • NGK Iridium IX plugs offer extreme ignitibility and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response.
  • The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloys extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to a NGK RUTHENIUM HX™ plug.


Contents Iridium tipped spark plug
Electrode Core Material Copper
Gap Size 0.052 in
Hex Size 5/8 in
Manufacturer NGK Spark Plug
Manufacturer Part Number LZTR7AIX-13
SDS Required No
Seat Type Tapered
Spark Plug Heat Range NGK7
Spark Plug Hex Size 13/16 in.
Spark plug Inductive No
Spark Plug Reach 25 mm
Spark Plug Resistor Yes
Spark Plug Resistor Value 5000
Spark Plug Seat Type Gasket
Spark Plug Thread Size 14 mm
Terminal Type Solid
Thread Size M14-1.25
UNSPSC 26101732
VMRS Code 033003005

Safety Information