Programmable Digital-7 Plus Riding The Dots This One Set The Standard For Programmable Control MSD IgnitionA MAP sensor is required for the boost circuit. The Ignition is supplied with wiring harnesses, mounting hardware, an RS232 computer harness, and the Pro Data+ software on a mini CD. Note: Illegal for use in NHRA classes except Pro Mod. The Programmable 7 Series of ignition controls has been updated with the Power Grid Ignition System If you're a consummate engine tuner and know how to take advantage of minute changes in timing during a quarter mile