Founded in the mid 1970s by the late legendary racer and ignition wizard Kelly Davis, Performance Distributors is well known to oval track racers around the country as the manufacturer of the D.U.I.

Performance Distributors' Racing D.U.I. (Davis Unified Ignition) Distributor can almost double the output of a stock H.E.I. Precision built, the ignition system is capable of turning up to 10,000 rpm.

High performance is all about horsepower. But even the ultimate in heads, compression, cam, and the rest won’t make power if you can’t light the fire. Ignition systems don’t make horsepower, but a ...

The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...