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Programmable Digital-7 Plus

Riding the dots! This one set the standard for programmable ignition control.

Part # 7531 Be the first to write a review
Estimated shipping date: 08/05/2021
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If you're a consummate engine tuner and know how to take advantage of minute changes in timing during a quarter mile pass, then the Programmable Digital-7 Plus is the ignition for you! All of the standard programmable features such as Individual Cylinder Management, Step Retards, Rev Limits, Shift Points and more are included in the Plus version but you also get more. Much, much more. A 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


  • Map a complete timing curve for every gear.
  • Output to activate a device through rpm, time or pressure inputs.
  • Automatic magnetic pickup compensation for crank triggers or distributor pick- ups.
  • Program your engine's firing order for ease of setting the cylinder-to-cylinder timing.
  • There is a cam sync output for fuel controllers or data acquisition.
  • Vacuum advance and boost retard is selectable through a MAP sensor.
  • Program an rpm limit that is ramped in during the launch.
  • Select the rpm limiter value in rpm/seconds.
  • Acquire 20 seconds of run data including two seconds prior to launch.
  • View all ignition events in a new Launch History window including the retard sum, manifold pressure, rpm, shift points and more.
  • Updated X-Y plots with interpolation for smooth changes.
  • Stage retards can be set to ramp the timing.
  • An upgraded micro- controller runs at 40MHz enabling timing accuracy within 0.1 degrees and +/-1 rpm at up to 10,000 rpm!

About MSD

From small block street cruisers to 10000 horsepower top fuel dragsters, MSD's ignition systems has been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems.

Current Draw1.1 Amp per 1,000 RPM
Emission Code4
Primary Voltage535 Volts
Product TypeIgnition Box
RPM Range12,500 RPM with 14.4 Volts
Secondary Voltage40,000 Volts
Spark Energy190 mJ per spark
Spark Series Duration20 Degree Crankshaft Rotation
Voltage Required12-18 Volts, Negative Ground
WarrantyLimited 1 Year Warranty
Weight and Size3 lbs.,9.5"L x 4.5"W x 2.2"H
Part Number7531

This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Limited 1 Year Warranty: See Details

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.