MSD 8677 Adjustable RPM Module for Performance Tuning

MSD 8677

MSD 8680 Adjustable Timing Controller for Chevrolet Camaro 1985-1989

MSD 8680

MSD 8728 Soft Touch Rev Control for Racing Applications

MSD 8728

MSD 8739 Two Step Module Selector for Performance Tuning

MSD 8739

MSD 8743 RPM Module Kit 3K-3.8K

MSD 8743

MSD 8745 5000 Series Module Kit, Even Increments

MSD 8745

MSD 8746 6000 Series Module Kit, Even Increments for Performance Racing

MSD 8746

MSD 87461 6000 Series Module Kit, Odd Increments

MSD 87461

MSD 8747 Engine RPM Limiter for High-Performance Applications

MSD 8747