These kits make it easy to add MSD performance to your new crate engine. It is supplied with everything you need for your ignition including a Ready-to-Run Distributor, Blaster SS Coil, 8.5mm Spark Plug wires with separators and even a billet Hold-Down Clamp. The Ready-to-Run Distributor is a great choice for your engine. It features a high output module that produces a vigorous jolt across the plug gap and the installation is simple with just three wires to connect! Also, a steel gear is installed for compatibility with hydraulic roller camshafts.