In good condition with 5000 & 8000 chips.
MSD 8737 3 Step Module Selector With Three Built In Rev Limiters Chip Style
MSD 3 Step P/N 8737
MSD 8732 Multi-Step RPM Selector 2-Step Digital Plastic Black Ea
MSD 87311 2-Step Rev Limiter, 2/23/2016 - Newer Except DI 5.0L
MSD MOTORCYCLE MULTI STEP RETARD BOX
