MSD has made Atomic EFI the simple solution for your LS EFI needs. Start your installation by knowing that you’re getting everything you need for your crate engine. These kits are each designed for a specific engine and are supplied with Rail Assemblies, Handheld Controller, Power Module and Harness, Wide-Band 02 Sensor and Bung, -6 fittings for the fuel rails, and cross-over hose.
