8745 MSD RPM Modules - 5000 Series Kit - Even Increments

87441 MSD RPM Modules - 4000 Series Kit - Odd Increments

8743 MSD RPM Modules - 3000 Series Kit - Even Increments

87431 MSD RPM Modules - 3000 Series Kit - Odd Increments

MSD Engine RPM Limiter Pill Module 87431; RPM Modules 3,100 to 3,900 RPM

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87431 MSD Ignition RPM Module Kit

MSD Ignition 87431 RPM Module 3000 Series Kit Revolution Limiter