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If you want the best plug for the car use a standard copper plug, I believe the heat range should be a 6 for an ngk plug. There is no better conductor of electricity than copper as far as spark plugs go. The only drawback is that you have to change them more frequently since they will deteriorate much faster than a platinum or iridium plug. Now for the plug wires, keep your money in your pocket due to the fact that the 2UR uses a coil on plug ignition.
 
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