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Product Information

Product Details
Part No. 5266
Warranty Details (60 DAY REPLACEMENT IF DEFECTIVE)
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center elect

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire iridium alloy center electrode provides consistent performance
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE fine wire iridium alloy plugs
Specifications
Center Electrode Core Material:
Copper Core

Center Electrode Tip Material:
Iridium

Gap Size:
0.044 in

Ground Configuration:
Standard

Ground Electrode Core Material:
Nickel Core

Ground Electrode Quantity:
1

Ground Electrode Tip Design:
Trapezoid

Hex Size:
5/8 in

Manufacturer Heat Range:
6

Reach:
19 mm

Seat Type:
Gasket

Spark Plug Approximate Resistor Value:
5K Ohm

Thread Diameter:
14 mm
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