Two current paths for reliability and redundancy -Primary path: Spiral wound stainless steel alloy -Secondary path: Carbon impregnated fiberglass center core;Low 500 ohm per foot resistance;8mm Silicone jacket to resist high temperatures, moisture, oil and chemicals;EPDM (Ethylene Propylene Diene Methylene) inner insulation for superior heat resistance and prevention of arcing and voltage leaks;Fiberglass reinforcing braid for added strength and flexibility

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Pertronix 804202 Flame-Thrower Black 8mm 4 Cylinder Spark Plug WirePertronix