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

87441 MSD RPM Modules - 4000 Series Kit - Odd Increments

MSD Performance 87441 Module Kit 4000 Series Odd Increments

MSD Ignition 87441 RPM Module 4000 Series Kit Revolution Limiter Odd Increments

MSD RPM Module - 4100-4900 RPM - 200 RPM Increments - Odd - Set of 5 87441

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

MSD 87441