MSD ASY11553 8600 RPM Rev Limiter Module Chip for MSD Ignition Systems

The MSD ASY11553 is a single plug-in RPM module chip that sets a precise 8,600 RPM rev limit on compatible MSD ignition systems. Designed for racers and performance enthusiasts who need accurate, repeatable engine protection, this small but critical module delivers a hard rev limit that safeguards high-performance engines from over-rev damage on the strip or the street.

Installation is effortless — the module simply plugs into the dedicated RPM module socket on your MSD ignition box or rev control unit. No tools, no wiring, no guesswork. Swapping modules to adjust your rev limit takes seconds, making it easy to dial in your setup for different racing conditions or engine configurations.

Key Features:

• Sets a firm 8,600 RPM rev limit on compatible MSD ignition systems
• Plugs directly into the RPM module socket — no wiring required
• Compatible with all MSD Soft Touch Rev Controls, MSD ignition boxes with integrated rev limiters, and other MSD accessories that use plug-in modules
• Individual module chip sold separately for precise RPM selection
• CARB-compliant — legal for sale and use on emissions-controlled vehicles in all 50 states
• Ideal for drag racing, road racing, and high-performance street applications

MSD RPM modules are available in a wide range of RPM increments, allowing racers to fine-tune rev limits for two-step launch control, burnout limiters, shift points, or high-side over-rev protection. The ASY11553 is the 8,600 RPM option in MSD's extensive module lineup.