MSD RPM Activated Switch - 4 Cylinder H753C3054 pure silicone

pure silicone

durability and valve train stability

A-Pillar / Door / Main / Rear Struts

Design allows the body to be flipped so that the 1 1/2" hose outlet can face right or left

MSD RPM Activated Switch - 4 Cylinder H753C3054 pure siliconeThese RPM Activated Switches will perform a variety of different functions from turning on a bulb or solenoid to activating an MSD Timing Control at a desired rpm. The RPM Activated Switch, PN 8950, has two activation wires; one to ground a circuit and the other to open a circuit. Simply plug in an rpm module and wire the Switch to the circuit you want to activate. When the engine rpm reaches that amount, the circuit is activated and will remain on