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Msd Ignition Box Comparison - April 2026

1
Best Choice
9.7Exceptional
2
9.5Excellent
3
9.4Excellent
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Model

MSD 64253 Black, 6AL, Digital Ignition w/Rev Control - Black
Model
MSD 6425 Digital 6AL Ignition Control w/Rev Control - Red
Model
MSD 6425 6AL Digital Ignition Control Box & Blaster SS Coil Kit

Brand

MSD
Brand
MSD
Brand
Speedway Motors

Reviews

207 reviews
Reviews
1,575 reviews
Reviews
9 reviews

Tech Specs

product dimensions

9.45 x 2.36 x 9.45 inches
product dimensions
9.45 x 2.36 x 9.45 inches
product dimensions
8.5 x 7.5 x 4.5 inches

item weight

3.08 pounds
item weight
3.08 pounds
item weight
9 pounds

manufacturer part number

64253
manufacturer part number
6425
manufacturer part number
6425+8207

Available On

Available On Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.7
    1
    MSD

    MSD 64253 Black, 6AL, Digital Ignition w/Rev Control - Black

    Why we love it

    High voltage for powerful ignition.
    Efficient energy use saves battery life.
    Easy RPM control with rotary dials.
    Main highlights
    • High output with 530 volts and 135mJ of spark energy
    • Efficient components use less current to produce more power
    • Compatible with 4, 6 or 8-cylinder engines
    • 12-15 Volts, 7 Volt Start
    • .7 Amp per 1,000 RPM
  • 9.5
    2
    MSD

    MSD 6425 Digital 6AL Ignition Control w/Rev Control - Red

    Why we love it

    High voltage output boosts performance.
    Efficient energy use saves power.
    Easy RPM limit setup.
    Main highlights
    • Set an rpm limit with two rotary dials in 100 rpm increments
    • Efficient components use less current to produce more power
    • Compatible with 4, 6 or 8-cylinder engines
    • Built-in LED for system checks
    • All wires exit through a locked, sealed connector
  • 9.4
    3
    Speedway Motors

    MSD 6425 6AL Digital Ignition Control Box & Blaster SS Coil Kit

    Main highlights
    • MSD 8207
    • MSD 6425

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Features

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