I.L.Motorsport Ignition Wires are specifically designed for superior performance, reliability and temperature resistance. These 8.0mm wires provide electro-magnetic and radio frequency interference suppression for your MX5. These wires are made to our specification and utilize Beru connectors because they are the finest available. 40,000 volts, temperatures up to 500 deg.F, vibrations, salt water, road dust, cleaning agents……these are just a few of the continuous demands to which connectors are subject day-in , day-out.