Programmable Mc-4 Motorcycle It Provides Incredible Output And Energy, Along With Pc-Programmable Capabilities That Give You Great Tuning Opportunities MSD IgnitionMSD's Programmable Digital 7 Series Ignitions have been powering the winning cars in NHRA Pro Stock, Outlaw Super Street and Pro Street classes for years. That technology is now offered to motorcycle racers with the MC 4 Ignition Control. The MC 4 provides the spark energy you expect from MSD with over 190 mJ of spark energy to each coil to fully burn the fuel mixture of high output race engines. Below 3,300 rpm the MC 4 delivers a long series of