MSD Ignition 83647 - MSD Digital HEI Module

MSD's HEI Module and performance coil that will fire up your stock HEI Distributor. The Module is a direct plug-in for the 4-pin HEI module and will produce up to 7.5 amps of current. This increased energy will continue through racing rpm reaching 9,000 rpm!
The Digital Module is extremely accurate in its delivery of energy resulting in more accurate ignition timing. Another unique feature is an adjustable rev limiter. You can dial in an engine saving rev limit ranging from 5,000-10,000 rpm. To get the most performance out of the Digital HEI Module, MSD offers a performance Coil as well. This Coil drops right in place of the original coil and fits under the stock coil cover.