Original spark plugs for your classic muscle car produce good spark, but they don't stand up to Plymouth GTX ignition systems from AutoAnything. Our GTX ignition systems increase power and torque by up to 12%. Built-in capacitors in these Plymouth GTX auto ignition systems store electricity from your car's coil.
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Then, every GTX ignition system pulses out 1,000,000 watts for a faster combustion fuel burn. It means your new Plymouth GTX ignition system gives you better gas mileage. A Plymouth GTX ignition component is backed by our AutoAnything 1-year lower price guarantee. Plus, our shipping is free.