Product Overview
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Denso 4045 Resistor Spark Plug
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W27ESR-U
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Core Material: Copper
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Gap Size: 0.8 Millimeters
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Thread Size: 125mm
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Denso U-Groove Spark Plugs Feature a u-Shaped Groove in the Ground Electrode
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Machine Rolled Threads Prevent Seizing or Cross Threading
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Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
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Five Rib Insulator Prevents Flashover
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Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal