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3000 Series RPM Module Kit with Odd Increments
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MSD IGNITIONPART NUMBER: 121-87431

3000 Series RPM Module Kit with Odd Increments

$7019
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Odd Increments
Five Piece RPM Limiter Module Kit
  • Fits Ignition Controls That Accept RPM Modules
  • Covers 3,100 to 3,900 RPM
  • Five Modules in 200 RPM Increments
  • CARB EO D-40-29

    Odd increment module kits exist so a rev limit can be set between the values the even kits cover. This one spans the 3,000 rpm range on the odd hundreds, which is useful for a break-in limit, a towing limit or a low staging limit that needs to land between the standard steps.

    MSD 87431 3000 Series RPM Module Kit Features:

    • Five modules covering 3,100, 3,300, 3,500, 3,700 and 3,900 rpm.
    • Even 200 rpm spacing, offset from the even series kits.
    • Plugs into ignition controls that accept rpm limiter modules.
    • C.A.R.B. E.O. number D-40-29.
    • MSD RPM Module Kits are available in your choice of even or odd 200 rpm increments. Each Kit includes 5 modules within a range of 1,000 RPM. Now 50-state legal per CARB E.O. D-40-29
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      Fine-tune your engine’s performance and maintain consistent control with MSD RPM Module Kits, the ideal solution for racers and performance enthusiasts who demand precision at every RPM range. Designed to work seamlessly with MSD ignition controls, these kits allow you to easily set RPM limits, shift points, and launch control without the need for complex programming.

      Each MSD RPM Module kit includes a range of plug-in modules that correspond to specific RPM values, giving you the flexibility to adjust rev limits in 100 RPM increments. Whether you're dialing in a launch RPM at the drag strip or managing over-rev protection on the street, MSD makes the process simple, fast, and reliable.

      The MSD Module Kit is built to last, with high-quality components designed to handle the demands of high-performance environments. Installation is straightforward—just plug the module into the designated RPM socket on your MSD ignition box and you’re ready to go. It’s an easy, effective way to safeguard your engine and optimize your setup.

      For tuners looking to get the most out of their ignition system, the MSD RPM Module Kit provides dependable control and customization without the need for laptop tuning or digital interfaces. It's a must-have accessory for anyone running MSD 6AL, 7AL, or similar ignition systems.

      Get the control you need and the confidence you want—equip your build with MSD’s trusted RPM Module Kits and hit your powerband with precision.

    Part TypeRPM Module
    Product LineMSD RPM Module Kits
    BrandMSD IGNITION
    Package Height0.4
    Package Width5.7
    Package Length7.7
    Weight0.15 PG
    Part CategoryPerformance Parts
    Carb Eo NumberD-40-29
    QuantitySet of 5
    Rpm Module Range3,100-3,900 RPM Odd Increments
    Part FitmentSemi Universal
    Vendor Part Number87431
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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