MSD Digital 2-Step Rev Control - For (6425) 356906 4 was developed with the

4 was developed with the value minded racer in mind

connect three wires to the coil and fire it up

Chevrolet: Silverado 1500 19 - 22 5

shield changing

Black Oxide / Cadmium

MSD Digital 2-Step Rev Control - For (6425) 356906 4 was developed with theSince the new Digital 6AL Ignition uses rotary dials to adjust the rev limiter, our engineers were tasked with developing a 2 Step Rev Control that could be added to give racers 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. There is an activation wire that connects to the transbrake, a clutch switch or to the line lock to activate the