87431 MSD RPM Modules - 3000 Series Kit - Odd Increments

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

87431 MSD RPM Modules - 3000 Series Kit - Odd Increments

MSD 87431 (5-Pack) RPM Module Chip 3100-3900RPM 200RPM Increments Odd

87431 MSD Ignition RPM Module Kit

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

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

NEW MSD RPM MODULES, 3000 SERIES KIT,SET OF 5,ODD,3100/3300/3500/3700/3900