Made in USA
7330 7AL-3 Ignition Control w/3-Step Retards, 3-Rev Limits, RPM Switch
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-7330

7330 7AL-3 Ignition Control w/3-Step Retards, 3-Rev Limits, RPM Switch

$1,05195$1169.95You Save$118.00
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7AL-3
7AL-3 Ignition Control
  • 3-Step Rev Limiter
  • 4-Stage Multi-Step Retard>li>RPM Activated Switch
  • Adjustable Start Retard
  • Cylinder Select for 4, 6, 8 Cyl.
  • Diagnostic Trigger LED
  • Includes RPM & Tuning Modules

    MSD Ignition 7330 7AL-3 Ignition Control Features:

    • Fits in the same mounting footprint of the original 7230
    • Compatible on 4, 6 and 8-cylinder engines
    • Start retard is adjustable with plug-in retard modules
    • Retard stages require +12 volts to activate
    • Surface mount assembly reduces internal components
    • 3-Step Rev Limiter
    • 4-Stage Multi-Step Retard
    • RPM Activated Switch
    • Adjustable Start Retard
    • Cylinder Select 4, 6, 8 Cyl
    • Diagnostic Trigger LED

    MSD Ignition 7330 7AL-3 Ignition Control Specs:

    • Current Draw: 6-Amps Per 6000 RPM, 12 Amps at 12000 RPM
    • Primary Voltage: 570 Volts
    • RPM Range: 14000 RPM with 14.4 Volts
    • Secondary Voltage: 50000 Volts
    • Spark Duration: 20 Degrees Crankshaft Rotation
    • Spark Energy: 160 mJ/spark
    • Voltage Required: 12-18 Volts, Negative Ground

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • No Timing Compromises

      Ignition timing is always a compromise between cylinders. The dynamics of air and fuel flow into each cylinder is never exactly the same no matter how much machining magic has been done. This has always caused top engine builders to compromise their ignition timing. With the Programmable 7-Series Race Ignition Boxes advanced Individual Cylinder Management system and other exact timing programs, you will never need to compromise again.

      Show More

      When you need race-proven ignition performance that won’t let you down, the MSD 7-Series Race Ignition Boxes are built to deliver. Engineered for serious competitors, these ignition systems offer unmatched spark energy, advanced features, and rugged construction to handle the harshest racing conditions.

      The MSD Digital 7 ignition box delivers ultra-fast processing power and precision timing control, making it the ideal choice for high-horsepower drag, circle track, and off-road applications. With programmable RPM limits, timing curves, and data acquisition capabilities, this unit gives racers the ultimate edge in tuning and customization.

      For those looking for legendary performance in a straightforward design, the MSD 7AL-2 remains a favorite in the racing community. It’s known for delivering a powerful capacitive discharge spark throughout the RPM range while providing built-in rev control and compatibility with MSD’s RPM modules for quick adjustments at the track.

      The MSD 7-Series line stands apart with its durability, consistent output, and seamless integration with other MSD components. Whether you're pushing big boost, nitrous, or high compression, these ignition boxes provide the spark intensity and reliability needed to keep your engine firing strong—pass after pass.

      Built for racers who demand precision and power, the MSD 7-Series Race Ignition Boxes are the backbone of countless winning setups. Trust MSD to ignite your competitive edge and help you dominate the race day.

    Part TypeIgnition Box
    Product LineMSD 7-Series Race Ignition Boxes
    BrandMSD IGNITION
    Package Height4.7
    Package Width6.5
    Package Length13.0
    Weight6.55 PG
    Part CategoryPerformance Parts
    Current Draw1 amp per 1,000 rpm
    Warranty1-year
    Rev LimiterYes
    QuantitySold individually
    Overall Length8 in (203.2 mm)
    Spark Output (Millijoules)160 Millijoules
    Data AcquisitionNo
    CircuitryAnalog
    Rpm14,000
    Coil IncludedNo
    Minimum Operating Voltage12 V
    Ignition Box OutputCapacitive discharge
    Cd Voltage Output To Coil570 V
    Part FitmentUniversal
    Timing RetardFour-stage
    Ignition Box ColorBlack
    Maximum Operating Voltage18 V
    Vendor Part Number7330
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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