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.
MSD 87481 8000 Series Module Kit, Odd Increments
MSD 8748 8000 Series Module Kit, Even Increments
MSD Performance 87481 Module Kit 8000 Series Odd Increments
MSD Ignition 87481 Module Kit, 8000 Series Odd Increments
