Product Summary

Capacitive Discharge Ignition Box Output, Black

  • It operates on 4, 6 or 8-cylinder engines
  • The two terminal strips that allow for easier wiring in your race car
  • Features a built-in 2 step rev control and its famous high output spark energy
  • Mounting pattern is the same as the 7AL-2 and is supplied with vibration mounts and a few rpm modules
  • An LED over the power connections will come in handy for troubleshooting as it flashes only when the coil fires
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Key Specs

MFG. Part #72223
BrandMSD
Ignition Box OutputCapacitive Discharge
CircuitryAnalog
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MSD 72223 Details

You’ll recognize the 7AL-2 Plus Ignition Control now in Black! As its predecessor is the most popular ignition control used in drag racing. The “Plus” model updates the original 7AL-2 with improved internal components plus our engineers added a 2-Step Rev Control and a useful diagnostic LED.

Racers will be happy to see that the updated components up the voltage output and spark energy! Over 40% more spark energy in fact!

Visually, you’ll notice the two terminal strips that allow for easier wiring in your race car. The LED over the power connections will come in handy for troubleshooting as it flashes only when the coil fires. That way you know that the coil, the trigger source and ignition are all functioning properly. The mounting pattern is the same as the 7AL-2 and is supplied with vibration mounts and a few rpm modules.

A staple in the drag race community, features a built-in 2 step rev control and its famous high output spark energy. Now in Black!

  • Built-in 2-step rev control
  • Operates on 4, 6 or 8-cylinder engines
  • Diagnostic Troubleshooting LED
  • Terminal strips for convenient hookup

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

MSD 72223 Specifications

KEY SPECS
MFG. Part #72223
BrandMSD
Ignition Box OutputCapacitive Discharge
CircuitryAnalog
GENERAL
Rev Limiter IncludedYes
Data AcquisitionNo
Timing RetardNone
Coil IncludedNo
Primary Voltage570 Volts output to coil
Spark Output160 MJ
Voltage Required12-18 Volts
Current Draw1 amp per 1000 RPM
GTIN Code085132722235
Overall Length8.25"
Overall Width3.75"
Overall Height5.75"
ColorBlack
NotesNot for use with distributorless ignition systems.

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