8mm Custom-Fit Spark Plug Wire Kit 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 600°F
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 ignitions, but also work great on point types
Made in the U.S.A.