Each kit is within a 1,000 rpm range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules.
About MSD

Explore MSD's range of unrivaled ignition systems and components at Holley.com!
About MSD

Explore MSD's range of unrivaled ignition systems and components at Holley.com!