Pertronix Ignition System 1957 to 74 Buick and Chevy Product Description:

Pertronix's solid-state ignition system delivers more energy with 1/4 degree of timing accuracy. The secret lies in the trigger magnets which spin with the rotor. The magnets operate a switching module which requires no external control box. Installs in 15 minutes with only two wires. The system comes with magment collar, switching module, hardware, instructions, and a 30-month warranty.