Adjustable RPM Module

Adjustable range: 1,000 - 3,000 RPM.

PART# 8677

Suggested Retail: $29.41
Your Price:$26.47
Free Shipping on orders over $100*


With this module, the user can dial-in any rpm between 1,000 and 3,000 rpm by simply turning a potentiometer. Ideal for vehicles with automatic transmis­sions that are using the MSD Two Step Module Selector to leave the starting line below 3,000 rpm.


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 8677: 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.