MSD LS Engine 2-Step Launch Control LS Engine an exclusive feature that provides

an exclusive feature that provides the best possible side seal against the cylinder wall

and valve seals

Universal Fitment

GM VVT Camshaft Bolt

MSD LS Engine 2-Step Launch Control LS Engine an exclusive feature that providesGM Performance fans will be geeked to learn about this direct plug in 2 Step Launch Control. The unit is easy to install with factory style connectors for a splice free installation. When you're staged, you can hold the pedal to the floor while the rpm stays at a consistent level producing consistent launches. Set a low rpm limit to use during the launch. Improves launch consistency and reaction times RPM limit is adjustable in 100 rpm increments from