Selector Switch, 3.0K-5.2K

The RPM Module Selector plugs directly into the rpm module socket on all MSD Soft Touch Rev Controls and accessories that use plug-in mod­ules.

PART# 8670

Suggested Retail: $75.88
Your Price:$68.29
Free Shipping on orders over $100*


The user can then select between twelve different rpm limits by simply turning the knob. Six models are available to cover a range from 3,000 rpm to 12,800 rpm in 200 rpm increments.


Emission Code3
WarningCalifornia Proposition 65

Tech Resources


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

WARNING FOR 8670: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
*Free Shipping & Handling only offered to the continental US on orders over $100.