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    Champion Iridium- Boxed - RET8ZWMPB4

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    Exact Fit May Not Fit Doesn't Fit for your

    Warranty Information
    Save up to $24 By Mail when you buy 8 Autolite Iridium XP or Ultra Iridium spark plugs. See Rebates Page for more details on all spark plug offers.
    • Product Details

      Part No. 9406

      Warranty Details (7 YR REPLACEMENT IF DEFECTIVE)

      Champion Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

      Product Features:

      • Champion Iridium - Maximum Performance.� Premium Spark Plug
      • Iridium center electrode delivers maximum life
      • Fine-wire center electrode and V-trimmed for greater ignitability
      • V-trimmed ground electrode promotes sharper spark focus
      • Maintains stable operating temperature under all engine loads
      • Heat-Active alloy allows electrodes to reach optimal temperature quickly

    • Specifications
      • Thread Diameter:0.470 in
        Seat Type:Tapered
        Resistor Type:Yes
        Reach:1.000 in
        Manufacturer Heat Range:8
        Insulator Height:0.14 in
        Hex Size:0.546 in
        Ground Electrode Quantity:1
        Ground Electrode Core Material:Platinum Pad Surface
        Electrical Terminal Type:Non-Removable Nut
        Center Electrode Tip Material:Iridium Firing Tip
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