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8739 Module Selector 2-Step for use w/MSD Soft Touch Rev Control or Timing Control Unit
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-8739

8739 Module Selector 2-Step for use w/MSD Soft Touch Rev Control or Timing Control Unit

$13495$149.95You Save$15.00
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2-Step Module Selector
  • Use w/MSD Soft Touch Rev Control or Ignition Control w/RPM Module Socket
  • Choose 2 Different RPM Limits
  • Ability to Switch Between 2 Different RPM or Degree Modules
  • Allows Launch Rev Limiter and High-Speed Limiter

    This MSD 8739 2-Step Module Selector allows you to have a starting line RPM limit for more consistent launches and quicker 60-foot times. It can be controlled by a Trans Brake, Line Lock, or a clutch pedal-mounted switch.

    FAQ

    How does a MSD 2 step box work?

    • The MSD 8739 2 step module enables consistent launch RPM control.
    • Activates a secondary RPM limit for improved traction.

    Does a MSD 6AL have a 2 step?

    • Yes, with the MSD 8739 2 step module kit, the 6AL can have a 2 step feature.
    • Improves launch consistency and traction control.

    What is the blue wire on the MSD 2 step?

    • The blue wire on the MSD 8739 2 step module is used for activation.
    • Connects to a switch or clutch pedal to engage the 2 step feature.

    How does a MSD 3 step work?

    • MSD 8739 is a 2 step module; it does not function as a 3 step module.
    • Specifically designed for 2 step functionality, not a 3 step system.
    • Part TypeRPM Module Selector
    BrandMSD IGNITION
    Package Height1.6
    Package Width5.8
    Package Length7.6
    Weight0.39 PG
    Part CategoryPerformance Parts
    Includes Starting Line Rev LimiterYes
    QuantitySold individually
    Module Selector MaterialPlastic
    Part FitmentSemi Universal
    Includes High End Rev LimiterYes
    Includes Burnout Rev LimiterNo
    Module Selector FinishBlack
    Vendor Part Number8739
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

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    Some parts are not legal for use in California or other states with similar laws / regulations
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