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    Champion PowerSport Spark Plug

    Part # 8904-1
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    Save $3 per Spark Plug by mail when you buy 4 or more ACDelco Professional Iridium Spark Plugs. See rebates page for details.
    • Product Details

      Part No. 8904-1

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      POWERSPORT More power...More fun

      Product Features:

      • Power Boost Firing End. Fine- wire projected electrode design delivers more power and maximum fouling protection. V-trimmed ground electrode keeps spark concentrated through all engine demands.
      • Q Suppressor Wirewound low ohm resistor enables full ignition energy to reach the cylinder where its needed most.
      • Thermal Contour Firing Tip. Modifies electrode heat transfer to prevent deposits while idling and plug overheating during high- speed operation.

    • Specifications
      • Center Electrode Diameter:0.052
        Electrode Core Material:Nickel Copper Alloy
        Electrode Tip Material:Nickel Copper Alloy
        Ground Electrode Core Material:Nickel Copper Alloy
        Ground Strap Quantity:1
        Insulator Material:Zirconia Enhanced
        Insulator Projection:0.06
        Insulator Type:Zirconia Enhanced
        Manufacturer Heat Range:4
        Performance Rated:N
        Reach:0.75 in
        Resistor:Y
        Seat Type:Gasket
        Shorty Spark Plug:No
        Tip Configuration:J Gap
        Type:8904
        Wrench Diameter:0.813 in
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