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    NGK Nickel Spark Plug (BPMR4A)

    Part # 6028
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    Save $10 after mail-in rebate when you buy 4 or more Denso Iridium Spark Plugs. See rebates page for details.
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    • Product Details

      Part No. 6028

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      Features corrugated ribs to prevent flashover. Designed to virtually eliminate combustion gas leakage and to provide greater spark transfer, greater heat transfer, high dielectric strength, improved anti-fouling and corrosion resistance.

      Product Features:

      • Triple gasket-sealing process virtually eliminates gas leakage past the shell
      • 99% highly pure alumina silicate insulator enables use of longer insulator noses to reduce fouling
      • 3-step trivalent-plating process uses silver chromate and zinc for maximum corrosion resistance

    • Specifications
      • Center Electrode Core Material:Copper Core
        Center Electrode Tip Material:Nickel
        Electrode Core Material:nickel
        Electrode Tip Material:nickel
        Gap Size:0.028 in
        Ground Configuration:Standard
        Ground Electrode Core Material:Nickel Core
        Ground Electrode Quantity:1
        Ground Electrode Tip Design:Standard
        Ground Strap Quantity:1
        Hex Size:3/4 in
        Manufacturer Heat Range:4
        Reach:9.5 mm
        Resistor:Yes
        Seat Type:Gasket
        Shorty Spark Plug:Yes
        Spark Plug Approximate Resistor Value:10K Ohm
        Thread Diameter:14 mm
        Tip Configuration:Loose
        Type:Standard
        Wrench Diameter:3/4 in
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