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very doubtful these would help at all, unless your current wires are not in good shape.
Assuming your current wires are in good shape, they will deliver the exact same voltage and spark.
The voltage in the coil builds until it reaches a point that it is high enough to jump the gap on the spark plug.
Lets say this is 5000 volts, as long as your current wires can deliver that amount, better wires will make no difference. It makes no difference how big the coil, wires etc are, when voltage builds to 5000 volts it's going across the gap. When that happens the ignition system sees ground, and the voltage build up stops.
On engines with high compression / high cylinder pressures / larger spark gaps, then it may take more volt to jump the gap. In this case, stock wires-plugs, coils etc may not be able to provide the voltage to jump the gap.
So on high rpm, hi performance engine, there may be some gain, at higher rpms and higher throttle loads.
When driving for economy, the cylinder pressure is low. low cylinder pressures make it easier to for the spark to jump the gap, and actually requires less voltage.
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