MSD Ignition Enhancer Ignition Control Module - 4253 Part #: 4253 Line: MSD MSD Ignition Enhancer Ignition Control Module 1 Year Limited Warranty Color: Red RPM: 5500 To 9000 RPM Connector Gender: Female, Male Ignition Type: Performance Terminal Gender: Female, Male Dimensions (in): 7-1/2 X 4-1/2 X 2-1/4 Inch Voltage (V): 12 Volt Number Of Terminals: 8 Number Of Connectors: 8 Show More Show Less