Iridium Spark Plug
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Iridium Spark Plug
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Champion Iridium Spark Plug

Part No. 9403 Warranty Details  
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Champion Iridium - The Ultimate Element... Fine-Wire Iridium Center and Platinum Ground Electrodes Provide the Sharpest Spark Focus for Maximum Performance.

Product Features:
  • The Ultimate Element. Champion Iridium features an extremely fine-wire Iridium center electrode that is "laser- locked" to the center electrode. In addition, every Champion Iridium features a platinum ground to ensure high performance and long life.
  • Maximum Performance. The Iridium fine-wire center electrode and platinum V-trimmed ground electrode produce the sharpest spark focus. This provides the greatest engine performance regardless of engine type or ignition system.
  • Exclusive Heat-Active Alloy . Allows electrodes to reach optimal temperature quickly and maintain stable operating temperature under all engine loads.
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Center Electrode Diameter:0.103
Electrode Core Material:Iridium Firing Tip
Electrode Tip Material:Iridium Firing Tip
Ground Electrode Core Material:Platinum Pad Surface
Ground Strap Quantity:1
Installed Height:2.24
Insulator Material:SUREFIRE Advanced Ceramic
Insulator Projection:0.12
Insulator Type:SUREFIRE Advanced Ceramic
Manufacturer Heat Range:14
Performance Rated:N
Reach:0.984 in
Resistor Type:FISS
Ribbed Core Nose:N
Seat Type:Tapered
Shorty Spark Plug:No
Taper Diameter:0.27
Tip Configuration:J Gap
Wrench Diameter:0.625 in


by PowerReviews
ChampionIridium Spark Plug

(based on 1 review)

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  • 1 Stars



Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


Big difference


from Wimauma, Florida

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  • Increases Power


    Best Uses

    • Replacement

    Comments about Champion Iridium Spark Plug:

    If you have a HEMI, this is what you must have

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