Many Street Stock racing classes limit the ignition to stock-style replacement parts. For most Chevrolet and Ford engines, this means an HEI distributor is the only option.

See how this 1969 Chevy Nova gets its ignition upgraded with an MSD kit from Chevy High Performance Magazine ...

Car Craft tales you through the steps of how to convert a Ford or Chrysler ingition to a GM HEI for a high-performance, more-efficient ignition.