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IFR6B Laser Iridium Series Spark Plug, Sold individually

Manufacturer #IFR6B
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5000 Ohms Resistance; 50.5 mm Insulator Height; 5/8 in. Hex Size; (1) Standard Ground Electrode; Nickel Core Ground Electrode Material; Standard Core Design; Flat Seat; Non-Removable Nut Terminal Type
Laser Iridium Series
Electrode Tip Material:
Iridium Electrode Tip
Quantity Sold:
Sold individually
60-day NGK limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Anticipated Ship Out Time:
1-2 Business Days
Electrode Core Material:
Copper Electrode Core
Gap Size:
0.03 in.
Heat Range:
0.75 in. Reach
Thread Size:
14 mm

Vehicle Fitment Information

Vehicle Name
Fitment Information
1986 Volkswagen Golf
4 Cyl 1.8L
enginedesignationname: HT, Gap 0.028 in.
1987-1989 Jaguar XJ6
6 Cyl 3.6L
Gap 0.028 in.
1987-1989 Jaguar XJ6
6 Cyl 3.6L
Gap 0.028 in.
1988-1989 Jaguar Vanden Plas
6 Cyl 3.6L
Gap 0.028 in.
1989 Jaguar Vanden Plas
6 Cyl 3.6L
Gap 0.028 in.
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Product Information


Designed to meet precise quality and durability standards of OEMs, NGK Laser Iridium spark plug is guaranteed to provide the OE performance your engine needs. It features fine wire center electrodes and high-grade alumina silicate ceramic for reliable ignitibility.

  • Made with superior quality alumina silicate ceramic and fine wire center electrodes
  • Meets quality and durability standards of OEMs
  • Provides reliable OE performance to your engine
  • Compatible with a wide array of vehicle makes and models

NGK Spark Plugs is a worldwide leader of innovative, world-class quality spark plugs and oxygen sensors in the automotive industry.

Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 90 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

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