Atomic EFI Archives - Engine Builder Magazine
MSD Atomic EFI

With the ECU and built-in sensors integrated into the throttle body, the Atomic EFI Throttle Body Kit is one of the easiest ways to upgrade a muscle car, truck, or hot rod to electronic fuel injection.

MSD’s Atomic EFI

MSD Performance is excited to announce that the Atomic Fuel Injection System (PN 2900 & 2910) has been granted an Executive Order Number from the California Air Resources Board. This E.O. Number makes the Atomic the only aftermarket EFI system that is legal on 1987 and older GM vehicles in California. The Atomic EFI system