14mm

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Racing Spark Plug
  • Non-Resistor
  • Hex Size: 13/16"
  • Thread Reach: .750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Very Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Very Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Cold
  • Tip/Gap: DiamondFire Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Medium
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .460"
  • Thread Diameter: 14mm
  • Seat: Taper
  • Heat Range: Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
    (2)
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    $4.49
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .460"
  • Thread Diameter: 14mm
  • Seat: Taper
  • Heat Range: Medium
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
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    $4.49
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Projected Tip
  • Heat Range: Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
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    $4.49
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .460"
  • Thread Diameter: 14mm
  • Seat: Taper
  • Projected Tip
  • Heat Range: Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
    (1)
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    $4.49
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    Racing Spark Plug
  • Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: .708"
  • Thread Diameter: 14mm
  • Seat: Taper
  • Projected Tip
  • Heat Range: Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
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    $4.49
    on 06/28/21
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    Racing Spark Plug
  • Resistor: Non-Resistor
  • Hex Size: 5/8"
  • Thread Reach: 0.750"
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Cold
  • Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted
  • 1/pkg
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    $4.49
    Ships on 06/28/21
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    Coyote/Hemi Engine Racing Spark Plug
  • Resistor
  • Hex Size: 5/8 in
  • Thread Reach: 1.000 in.
  • Thread Diameter: 14mm
  • Seat: Taper
  • Tip/Gap: Fixed Gap, Cannot Be Adjusted
  • Turbo, Nitrous or Supercharged Applications Only
  • Sold Each
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    $5.99
    on 06/28/21
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    Racing Spark Plug
  • Non-Resistor
  • Nitromethane
  • Hex Size: 13/16 (.813) in.
  • Thread Reach: 3/4 (.750) in.
  • Thread Diameter: 14mm
  • Seat: Gasket
  • Heat Range: Very Cold
  • Tip/Gap: DiamondFIRE Adjustable Gap preset to 0.012 in.
  • 1/pkg
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    $5.99
    Ships on 06/28/21
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