87441 MSD RPM Modules - 4000 Series Kit - Odd Increments

MSD Engine RPM Limiter Pill Module 87441; RPM Modules 4,100 to 4,900 RPM

8744 MSD RPM Modules - 4000 Series Kit - Even Increments

87431 MSD RPM Modules - 3000 Series Kit - Odd Increments

8746 6000 Series Module Kit, Even Increments

8744 MSD RPM Modules - 4000 Series Kit - Even Increments

8743 MSD RPM Modules - 3000 Series Kit - Even Increments

8745 MSD RPM Modules - 5000 Series Kit - Even Increments