MSD 2-Step Rev Control Unit
MSD 2-Step Rev Control Unit

MSD 2-Step Rev Control Unit

(Exc. 8% Sales Tax - GA only)
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Part Number
MSD Ignition

MSD 2-Step Rev Control unit, developed by MSD's engineers in light of the new rotary dial adjustment design on the superb new Digital 6AL Ignition controller. The 2-Step Rev Control unit can be added to your ignition system to enable the ability to switch to a low rpm limit to use on the starting line.

There are two easy to read rotary dials that let you set the launch rpm in 100 rpm increments and there is an activation wire that connects to the transbrake, a clutch switch or to the line-lock to activate the low rpm limit. When that switch is released, the low rpm limit is turned off and the car launches hard!

The 2-Step is also digitally controlled and connects to the Digital 6AL's gray tachometer output wire. For use with Digital 6AL PN 6425 or 64253 only.


  • Easy setup with two rotary dial switches
  • For use with Digital 6AL PN 6425 or 64253 only
  • Can be programmed from 2,000 rpm to 11,800 rpm
  • Connects to the gray tachometer output wire
  • Mount under the hood away from heat sources
  • Can be dash mounted for driver adjustments
Brand MSD
Emission Code 4
Product Type RPM Control
Sale Category Ignition
Warranty Limited 1 Year Warranty (PDF)
UPC 085132087327
Part Number 8732

This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

P65 Warning
 "WARNING: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm.