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MSD 87331 2-Step Launch Control (LT for Gen. V LT)
This 2-Step connects right to your GM late model vehicle to produce consistent launches and quicker times by setting an rpm limit for staging. If you're looking to launch your Gen V, Direct Injected GM vehicle off the line on a 2-Step rev limiter, MSD part number 87331 is the answer. When activated, the 2-Step will hold your engine at a constant RPM. This can be achieved by way of a clutch switch or push button. As soon as your activation switch or button is released, full ignition is restored and you're off to the races. The rpm is adjusted with two built-in rotary dials ranging from rpm in 100 rpm increments. A

Price is $307.00
Price: $306.95