SPARK PLUG WIRE 409

10.4mm high performance ignition wires available for street or race applications. 409 Ignition Wire provides continuous heat protection up to 600 F and 102,000 volts dielectric strength. A tightly woven heat treated fiberglass braid is applied over our 100% pure silicone 8mm ignition wire. A 3rd layer of silicone is extruded making it a 10.4mm diameter.