The MSD Digital 6-Plus ignition control box allows you to maximise the performance of a distributor based ignition system. It is capable of delivering over 530 volts to the coil with up to 135mJ of spark energy for maximum power, cleaner emissions and smoother running. The Digital 6-Plus provides multiple sparks for 20 degrees on each firing stroke for maximum combustion efficiency. It also has the provision to retard timing for nitrous or to aid engine starting.Improves fuel combustion for increased engine performanceReduces engine emissionsImproves fuel economyRetard ignition timing for nitrous applications or to reduce pressure on the starter motor during start upIn-built 2 step rev limiterSuitable for Hall-effect, points and mag pick up triggersAs well as improving all round engine performance and efficiency the Digital 6-Plus also allows you protect your engine from over revving with the in-built 2 step rev limiter. As well as limiting maximum rpm you can also set a 2nd lower rpm