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MSD Digital 6AL/6A and 6-Series Ignition Control Boxes


MSD Ignition
MSD Digital 6AL/6A and 6-Series Ignition Control Boxes

Product images may differ from actual product appearance.

MSD 6-Series Ignitions set the standard for quick starts, increased power, smooth idle, crisp throttle response and reduced spark plug fouling. MSD ignitions are available in a several styles and install easily in a variety of applications.

Digital 6A: Base model with multiple sparking, capacitive discharge (CD) ignition control.
  • Hotter Spark for Improved Driveability
  • Without Rev Limiter - Can Not Be Added

    Digital 6AL: Digital 6AL or 6BTM Ignitions are made for spirited driving, grabbing gears or some form of racing.
  • Includes Adjustable Soft Touch Rev Control
  • Can Add a 2-Step Module Selector for Launch rpm Limit

    Digital 6AL-2: Ideal for the street and strip applications.
  • Includes Built-in 2-Step Rev Control

    Digital 6 Plus: Ideal for 4, 6 and 8-cylinder engine applications.
  • Includes Built-in Drag Race Features, 2-Step Rev Control, Single Stage Retard and Start Retard

    Programmable 6AL-2: Provides PC programming for the street.

    Extreme Duty 6ALN: For severe duty applications such as off-road truck racing or saturday night dirt tracks,
  • Sealed locking connectors and epoxy for vibration resistance create an ignition ready to take on the rigors of hard-core racing.

    Marine: All of the power and multiple sparks of an MSD, plus a rev limiter for Marine applications.
  • Includes sealed Weathertight connectors

    Professional Racing: Designed for professional long duration, high-rpm racing.
  • Features NASCAR mandated harnesses, a clear baseplate and vibration dampening silicone
  • Uses a special Coil (121-8250) & produces higher spark energy and voltage

    JEGS Easy Kits are designed by JEGS professionals to help you get all the performance parts you need.


  • 4 Products
    6-Series Digital Ignition Controls

    121-6421
    Digital 6AL-2 Ignition Control
  • Per Spark Energy: 135 mJ
  • 2-Step Rev Control without RPM Modules
  • $259.99
    Order Today Ships 11/28/14
    6-Series Analog Ignition Controls

    121-6430
    Extreme Duty 6ALN Circle Track Ignition Control
  • Per Spark Energy: 105-115 mJ
  • Soft Touch Rev Control with RPM Modules
  • NASCAR-Approved Connectors
  • Was: $313.99
    Now: $293.99
    Order Today Ships 11/28/14

    121-6462
    6-BTM Ignition Control
  • Per Spark Energy: 105-115 mJ
  • Boost Timing Retard
  • Soft Touch Rev Control with RPM Modules
  • CARB E.O Number D-40-28
  • $398.99
    Order Today Ships 11/28/14
    6-Series Programmable Ignition Controls

    121-6530
    6AL-2 Programmable Ignition Control
  • Per Spark Energy: 135mJ
  • Was: $369.99
    Now: $327.99
    Order Today Ships 11/28/14

    4 Products