MSD 87441 Ignition RPM Modules 4100 to 4900 rpm Set of 5

MSD Ignition 87441 RPM Module Kit

MSD 87441 4000 Series Module Kit, Odd Increments

MSD Ignition RPM Module Chip 4100-4900 RPM Automotive Performance

MSD 87441 4000 Series Module Kit, Odd Increments, Kits include five modules

MSD Ignition RPM Module Kit for 4100-4900 RPM, 200 RPM Increments - Part 87441

MSD Ignition RPM Module Kit 4100-4900 RPM for Performance Engines

Engine RPM Limiter MSD 87441