Spark Plug Wires - Black - FLT/XLCaracteristicas: Designer plug wire sets come in distinctive, highly visible colors Precut and have the plug coil boots and terminals already installed Boots and wires are made from extra high temperature silicone, which gives protection up to 600F Spiro Pro core provides up to 10 times the conductivity of a standard carbon core wire Low resistance means they run cooler and last three to four times longer than carbon core wires Designed for electronic