MSD RPM Activated Switch - 4 Cylinder H753C3054 durability and valve train stability

durability and valve train stability

Suspension Control Arm Bushing KitVehicle Applications: 1978-1981 Pontiac LeMans (Rear Lower)Vehicle Applications: 1978-1981 Pontiac LeMans (Rear Lower)

For 1992 and later 5

A-Pillar / Door / Main / Rear Struts

GM V8 VortecProduct Description:

MSD RPM Activated Switch - 4 Cylinder H753C3054 durability and valve train stabilityThese 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