MSD Ignition 6562 Multi-Channel Boost Retard MSD6562

MSD Ignition 6562 Multi-Channel Boost Timing Master Retard igntion upgrade racing  unit MSD-6562

The Boost Timing Masters allow you to adjust the amount of ignition retard from 1° per pound of boost to 3° per pound This way you can make adjustments to prevent detonation as fuel quality or altitude and air quality changes up to a maximum of 15° retard. You can also set a boost pressure point to start the retard. There is a boost pressure port to connect to your manifold and the BTM wires easily to the MSD Ignition Control.