Description
The Seven Sins TSC series is copper core only in the classic 7MM gauge.
The TSC has tinned copper core wire protected by a thick protective jacket and is best suited for points or magneto ignitions on motorcycles, hotrods, ratrods, classic cars, and trucks.
Classic cars and motorcycles originally used copper core spark plug wires because they offer excellent conductivity for low-voltage ignition systems, providing a hot, direct spark, but they create radio interference; modern cars switched to carbon core (suppression) wires for RFI reduction, though copper is often preferred for true vintage restorations to maintain original performance and avoid issues with older coil/distributor setup
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