The PerTronix Digital Rev Limiter (and the Ignitor III module) are adjustable units that have a far superior rate of accuracy compared to the analog chip-style systems used in other rev limiters ...

Once we installed the gaggle of Pertronix gear and warmed the engine to the same test temperatures as the baseline, we came away with 155.82 hp at 5,000 rpm and 177.52 lb-ft of torque at 4,300 rpm.

Check out PerTronix Ignition Systems with electronic ignition, distributor and points - Street Rodder Magazine ...

Rod and Custom Magazine details the PerTronix Ignitor electronic ignition and how it gives modern power and safety while maintaining that vintage look to your custom.