MSD LS 2-Step Launch Control - GM LS Engines 931027 Recommended by leading camshaft manufacturers

Recommended by leading camshaft manufacturers

Fits All Holley Model 4150 HP™ & 4500 Dominator® Carburetors with Screw-In Air Bleeds

Two Chamber Race Muffler

the rates are proportionate to the spring rate

The heavier-duty construction makes them ideal for high-performance engines and tow vehicles

MSD LS 2-Step Launch Control - GM LS Engines 931027 Recommended by leading camshaft manufacturersGM 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. MSD LS 2 Step Launch Control 8733 GM LS Engines LS 2 Step Launch Control Easily Set Launch RPM For Consistent Holeshots Connects To Factory