Each kit is within a 1,000 RPM range. For example, the PN 8743 is supplied with: 3,000, 3,200, 3,400, 3,600, 3,800 modules. Five Modules Provided. From 5100-5900 RPM.
MSD 87451 Ignition RPM Modules 5100 to 5900 rpm Set of 5
Engine RPM Limiter MSD 87451
