PowerPulse™ HEI-Module:

If you're looking for the hottest high-energy ignition system available for your HEI distributor, look no further. PowerPulse HEI is the one for you. This high performance HEI Ignition Module really lights up your cylinders. PowerPulse can supply up to 60,000 volts and has a switching current that is equally impressive. Cutting edge technology makes PowerPulse very efficient with virtually no energy loss. PowerPulse HEI runs to about 7700 rpm on an 8 Cylinder Engine.

If you are not using PowerPulse™ you're not going as fast as you could be.

PowerPulse:

Part #
151 001 050	PowerPulse GM HEI Module