MSD Ignition | GM HEI Performance Module w/Adjustable Rev Limiter These digital modules are 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! Extremely accurate in its delivery of this 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.
Part Type: Bypass Harness Cable Application: GM HEI Module Pin Quantity: 4-Pin Wiring Harness Included: Yes Digital Rev Limiter Included: Yes Amperage: 7.5 Amps UPC: 085132836475 Manufacturer: MSD Ignition Systems Manufacturer's Part Number: 83647 Warranty: Race Application, No warranty expressed or implied Quantity: Sold as Each |