8950 RPM Activated Switch [1.5 Amps]

Name: 8950 RPM Activated Switch [1.5 Amps]
Brand: MSD IGNITION
SKU: 121-8950
Price: 188.95 USD
Availability: InStock

^$188⁹⁵

Ships on Nov 03, 2026

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RPM Activated Switches

RPM Activated Switch

Up to 1.5 Amps (Increase w/Use of a Relay)

(2) Activation Wires One Grounds the Other Opens Circuit

Activates w/RPM Module (Not Included)

Use for Timing Control, Bulb, Nitrous Solenoid

Stock or Aftermarket Ignitions

Breakdown of Included Items

This MSD 8950 RPM Activated Switch has two activation wires, one to ground a circuit and the other one to open the circuit. Plug in an rpm module (sold separately) 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 until the rpm falls below that amount.

FAQ

What does a MSD RPM activated switch do?

The MSD 8950 RPM activated switch triggers devices at specific RPMs.
Automates nitrous systems, shift lights, and more.

How to wire an RPM switch?

Follow the MSD 8950 wiring diagram for precise installation.
Connect power, ground, and RPM trigger wires accordingly.

How does RPM switch work?

MSD RPM activated switch monitors engine RPM.
At set RPM levels, it activates connected accessories.

How is RPM controlled?

RPM is controlled via MSD 8950's adjustable dial settings.
Adjust settings to trigger devices at desired engine RPMs.

Control Components With Engine RPM

These RPM-Activated Switches control bulbs and solenoids or will activate an MSD Timing Control at any desired rpm. Use with stock inductive ignitions or an MSD Ignition and handle 1.5-2.5 amps with an RPM module.

Part TypeRPM Switch

Product LineMSD RPM Activated Switches

BrandMSD IGNITION

Package Height2.0

Package Width6.25

Package Length8.0

Weight0.5 PG

Part CategoryPerformance Parts

QuantitySold individually

Part FitmentUniversal

Rpm Activated Switch MaterialPlastic

Adjustment StylePills