Order Ford Mustang Ignition Wires. Browse Ford Mustang Ignition Coil And Wires. Purchase Ford Mustang Ignition Wires Replacement & Ford Mustang Ignition Plug Wires. For optimal performance of your Ford Mustang, maintaining the ignition wires is crucial as they are responsible for conducting the engine's high voltage sparks. Regular inspection for cracks or wear can prevent misfires, a telltale sign that replacement is imminent. To prolong their life, keep them clear of contaminants and ensure they're securely fastened away from heat sources. When choosing new wires, opt for options that offer superior conductivity, like those with a silicone insulation or a fiberglass-reinforced jacket, which provide excellent thermal resistance and durability. Installation is straightforward, but always remember to follow the correct firing order to avoid crossfiring. With these tips, you can ensure your Mustang's ignition system delivers the high performance you expect, keeping your ride smooth and efficient.