Ach 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 8748 8000 Series Module Kit, Even Increments
MSD 87481 8000 Series Module Kit, Odd Increments
New MSD RPM Module Kit 8000 Series #8748 NASCAR IMCA UMP NHRA IHRA
MSD Performance 8748 Module Kit 8000 Series Even Increments
