Now you can get a stock-look spark plug wire, that performs! We've designed our 7mm wires with the same core we use in our 8mm wire. The only difference is the 7mm flat black silicone jacket that hides its performance potential from the naked eye. Get Product Features:PerTronix 708180 Flame-Thrower Spark Plug Wires 8 cyl Universal 180 Degree BlackTwo current paths for reliability and redundancy. -Primary path: Spiral wound stainless steel alloy.-Secondary path: Carbon impregnated fiberglass center core.
