RPM Module Kit Marine
Product Discontinued
MSD IGNITIONPART NUMBER: 121-87446

RPM Module Kit Marine

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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

RPM Range of Modules for Marine Applications
    RPM Module Kit
  • Marine
  • 4000 Series

    Marine RPM Module Kits include five modules in 200 rpm increments. Each kit is within a 1,000 rpm range. Kit includes: 4000, 4200, 4400, 4600, 4800
    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.

Product LineMSD RPM Module Kits
BrandMSD IGNITION
Package Height1.5
Package Width3.5
Package Length5.0
Weight0.11 PG
Part CategoryPerformance Parts
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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