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Buy 3 Tires, Get 4th Tire Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 6/26/17 through 9/30/17.


MSD  RPM Activated Switch 679457
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  • Part #: 8950|
  • SKU: 679457

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    • Activate a circuit at a specific RPM
    • Use with stock or MSD Ignition
Retail
$101.99

MSD RPM Activated Switch

These 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 until the RPM falls below that amount.
  • Activate a circuit at a specific RPM
  • Use with stock or MSD Ignition
  • Use RPM modules to set RPM point
  • Activate through round or 12 Volt activation
  • RPM modules are mint supplied


Turns on MSD timming control
Yes at desired RPM
Color/Finish
Black and silver with Red letters
Turn on switch
Yes at desired RPM
Can be used on stock inductive systems
Yes
Can be used with MSD Ignitions
Yes

679457

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