The MSD Ignition 87491 Module Kit is a high-performance part designed to enhance the electrical components of vehicles.
MSD Ignition RPM Module Chip 4100-4900 RPM Automotive Performance
MSD Ignition RPM Module Kit 8745 5000-5800 RPM Range
MSD Ignition RPM Module Kit 8746 6000-6800 RPM Even Series
MSD Ignition RPM Module Kit 5100-5900 RPM for Accurate Engine Control
MSD Ignition RPM Module Kit 4000-4800 RPM for Automotive Performance
MSD Ignition RPM Module Chip Kit 3100-3900 RPM - 200 RPM Increments
