Atomic EFI LS Master Kit
Suit LS7 With 24 Or 58 Tooth Crank Trigger

MSD is making 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 the Rail Assemblies, Handheld Controller, Power Module and Harness, Wide-Band 02 Sensor and Bung, -6 fittings for the fuel rails and hose for the cross-over.