Pertronix Ignitor solid-state ignition Systems deliver more Energy with greater timing accuracy. the secret lies in the trigger magnets, which spin with the Rotor and operate a switching module that requires no external control box. these Systems are immune to heat, oil, and debris-and install in about 15 minutes with Only two wires to connect. they come with a switching module, hardware, and instructions. Ignitor is an ideal choice for collector car restoration because it fits entirely under the Distributor cap.