MSD RPM Module Kit - 3100-3900 RPM - Odd Increments Steel Shocks 2-Piece Hinge

2-Piece Hinge

Steel constructed housing has a spring loaded release to keep housing secure to pivot ball

Hard Chromed 4130 Alloy Steel Shaft

6 AN Hose to Quick Release Socket

MSD RPM Module Kit - 3100-3900 RPM - Odd Increments Steel Shocks 2-Piece HingeRPM 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 3100 3900 RPM 200 RPM Increments Odd 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