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;7mm 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 708101 Flame-Thrower Black Custom Fit Spark Plug Wire for 8 Cylinder GMPertronix