MSD 6-Series Ignition Boxes


MSD Ignition
MSD 6-Series Ignition Boxes

Product images may differ from actual product appearance.

The Spark You Need at the Price You Want
  • Compatible with 4, 6, and 8-cylinder engines
  • Capacitive discharge circuitry with full-power multiple sparks
  • Trigger from breaker points, amplifiers, or magnetic pickups
  • Works on almost any vehicle with a 12 to 18 volt electrical system

    JEGS EZ Complete Kits are designed by JEGS professionals so you get all the parts you need.
    121-6425K includes a Digital 6AL Ignition Control and JEGS Control Box Mounting Plate.
    121-6430K includes a 6ALN Ignition Control, Pro Billet Distributor, Blaster HVC II Coil & Plug Wires.

    Note: 121-6420 is discontinued and replaced by 121-6425. Detailed specs in More Info below.



  • 6-Series Digital Ignition Controls

    121-6425
    Digital 6AL Ignition Control
  • Per Spark Energy: 135-145 mJ
  • Soft Touch Rev Control without RPM modules
    More info on MSD Ignition 6425

    Fits Applications
    MPG Installation Instructions for MSD Ignition 6425
  • $214.99
    Ships

    121-6425K
    Digital 6AL Ignition Control Kit
  • Per Spark Energy: 135-145 mJ
  • Soft Touch Rev Control without RPM modules
  • Includes Ignition Box and Mount
    More info on MSD Ignition 6425K
    Easy Kits MPG Installation Instructions for MSD Ignition 6425K
  • $231.99
    Ships

    121-6201
    Digital 6A Ignition Control
  • Per Spark Energy: 135-145 mJ
    More info on MSD Ignition 6201

    Fits Applications
    MPG Installation Instructions for MSD Ignition 6201
  • $174.99
    Ships

    121-6421
    Digital 6AL-2 Ignition Control
  • Per Spark Energy: 135 mJ
  • 2-Step Rev Control without RPM modules
    More info on MSD Ignition 6421

    Fits Applications
    MPG Installation Instructions for MSD Ignition 6421
  • $251.99
    Ships

    121-6520
    Digital 6-Plus Ignition Control
  • Per Spark Energy: 135 mJ
    More info on MSD Ignition 6520

    Fits Applications
    Installation Instructions for MSD Ignition 6520 MPG
  • $299.99
    Ships
    6-Series Analog Ignition Controls

    121-6430
    6ALN Circle Track Ignition Control
  • Per Spark Energy: 110 mJ
  • Soft Touch Rev Control with RPM modules
  • NASCAR-approved connector
    More info on MSD Ignition 6430

    Fits Applications
    Installation Instructions for MSD Ignition 6430 MPG
  • $311.99
    Ships

    121-6430K
    6ALN Circle Track Ignition Control Kit
  • Per Spark Energy: 110 mJ
  • Soft Touch Rev Control with RPM modules
  • NASCAR-approved connector
  • Includes Ignition Box, Distributor, Coil & Plug Wires
    More info on MSD Ignition 6430K
    Easy Kits
  • $856.99
    Ships

    121-6462
    6-BTM Ignition Control
  • Per Spark Energy: 110 mJ
  • Boost Timing Retard
    More info on MSD Ignition 6462

    Fits Applications
    Installation Instructions for MSD Ignition 6462 MPG
  • $374.99
    Ships

    121-6560
    6M-2L Marine Ignition Control
  • Per Spark Energy: 105-115 mJ
  • Soft Touch Rev Control with RPM modules
    More info on MSD Ignition 6560

    Fits Applications
    MPG Installation Instructions for MSD Ignition 6560
  • $381.99
    Ships
    OE-Style Wiring Harnesses

    121-8874
    Plug-In Wiring Harness
  • MSD 6 to Ford TFI
    View this item

    Fits Applications
    Installation Instructions for MSD Ignition
  • $22.99
    Ships

    121-8875
    Plug-In Wiring Harness
  • GM HEI distributor harness (internal coil) without vacuum advance
    View this item

    Fits Applications
    Installation Instructions for MSD Ignition
  • $44.99
    Ships

    121-8876
    Plug-In Wiring Harness
  • MSD 6 to GM Dual Connector Coil
    View this item

    Fits Applications
  • $31.99
    Ships

    121-8877
    Plug-In Wiring Harness
  • MSD 6 to 1996-2012 GM Single Connector Coil
    View this item

    Fits Applications
  • $31.99
    Ships

    121-8884
    Plug-In Wiring Harness
  • MSD 6 to 1998-2003 Dodge
    View this item

    Fits Applications
  • $32.99
    Ships

    121-8889
    Plug-In Wiring Harness
  • MSD 6 to 1990-95 Dodge Ram 5.2L/5.9L
    View this item

    Fits Applications
    MPG
  • $17.99
    Ships
    Accessories
      121-ASY11208
    Control Knob Assembly
  • MSD 6-BTM
    View this item
  • $76.99
    To order this item contact Customer Service at 1-800-345-4545.