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MSD Ignition 8732 Black Digital 2-Step Rev Controllers Multi-Step RPM
Fits Digital 6AL msd Box ONLY # 6425 or 64253
MSD's 2-Step Rev Control allows racers to switch to a low rpm limit at the starting line. This digitally-controlled 2-Step Controller connects to the Digital 6AL's gray tach output wire and has (2) rotary dials that let you set the launch rpm in 100 rpm increments. An activation wire connects to the transbrake, a clutch switch or to the line-lock to activate the low rpm limit. When releasing the switch, the low rpm limit is turned off and the car launches hard.
Features:
The RPM limit is set with the (2) rotary dials, in 100 RPM increments
ONLY Fits Digital 6AL Box # 6425 or 64253