Lumenition Silicone Blue Ignition Lead sets feature a strong, flexible, silicone coating that resists petrol, oil and acid spills. These leads remain flexible through a wide temperature range and will not harden or crack which can cause misfires through moisture and lead break down.Protected on the inside by a single strand of Kevlar and on the outside by a translucent casing of 100% silicone is an ultra low resistance Aramid fibre core. This can handle a maximum voltage of 60,000 volts and has an ultra low resistance of just 5.6k ohms/m. The Ferro Magnetic layer is wound with stainless steel spiral windings to suppress HT spark emissions from interfering with sensitive electronics.Available for a wide range of vehicles.Temperature range: -40 to +220°CLead Colour: Translucent blueDiameter: 8mm