MSD RPM Module Kit - 5000-5800 RPM - Even Increments 121008 1975-1980 Mercury Grand Marquis

1975-1980 Mercury Grand Marquis

CNC machined aluminum housing with easy-to-read bubble display

Switch has 3/8"-24 terminals and is rated at 175 amps continuous duty

Timing Cover

MSD RPM Module Kit - 5000-5800 RPM - Even Increments 121008 1975-1980 Mercury Grand MarquisRPM Module Kits include five modules in 200 rpm increments. Each kit is within a 1, 000 rpm range. Each kit is within a 1,000 rpm range. For example, the PN 8745 is supplied with: 5,000, 5,200, 5,400, 5,600, 5,800 modules. Product Description: RPM Module Chip 5000 5800 RPM 200 RPM Increments Even Kit Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The