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

87441 MSD RPM Modules - 4000 Series Kit - Odd Increments

MSD Engine RPM Limiter Pill Module 8746; RPM Modules 5,100 to 5,900 RPM

MSD Engine RPM Limiter Pill Module 87481; RPM Modules 8,100 to 8,900 RPM

MSD Engine RPM Limiter Pill Module 87461; RPM Modules 6,100 to 6,900 RPM

NEW MSD RPM MODULES, 4000 SERIES KIT,SET OF 5,ODD/4100/ 4300/4500/4700/4900

MSD Engine RPM Limiter Pill Module 8743; RPM Modules 3,000 to 3,800 RPM