Four Wheeler's Verne Simons shows us how to install a Davis Unified Ignition HEI Distributor in an AMC 304 V-8.

Chrysler had the right idea way back in 1972 when it stepped away from ignition points and went to electronic ignition. It took GM a few years more before it came out with the HEI distributor ...

The HEI’s integrated ignition coil in the distributor cap makes it the most compact ignition system in history. No external ignition coil to sweat out.