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 ...

In contrast to points, HEI ignition is considerably more maintenance-free. The task previously accomplished by fragile points is taken over by a reliable solid-state electronic module that can ...

Restoring Power To A Damaged Mallory HEI Is Easier Than You May Think - Circle Track Magazine ...

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