NGK 56001 Spark Plug Wire Set NGK Spark Plug Wires are a direct OEM replacement for your vehicle. Wires feature low resistance (80 ohms per cm) to provide superior firing performance. Heat resistant silicone rubber insulation a ferrite loaded Kevlar fiber core provide outstanding durability. Consistent performance from the world leader in spark plug manufacturing. Direct OEM fitment and low resistance (80 ohms per cm) provide superior firing performance.