Ignition Controls by MSD. MSD LS Ignition Box Features – Get in control of your LS’s starting power with an MSD LS Ignition Box. Nitrous- and boost-compatible ignition lets you dial in the perfect tune for your LS using the easily adjustable preset timing curves. Hook it up to your PC and program a custom setup through the use of user-friendly MSD View software. Comes with six preprogrammed timing tables for easy set-up, a rotary selector switch for timing changes on the fly, and fully sealed direct-plugin connectors. Can be installed on both 24x and 58x crank-trigger engines. MSD LS Ignition Box – FREE SHIPPING! For the top selection of MSD Ignition Systems shop online today. The MSD LS Ignition Box – FREE SHIPPING! will improve and personalize your vehicle. Ignition Controls by MSD – selected by many auto enthusiasts in the top automotive discussion forums. MSD LS Ignition Box for your vehicle will deliver the results you are looking for! MSD LS Ignition Box – Ignition Systems – Ignition Controls.