Redesigned from the ground up, the Atomic 2 EFI system now features an 865 CFM throttle body with integrated ECU, full color touch screen, simple 4-wire hookup, and several easy-to-use new features! Learn More: holley-social.com/MSDAtomic2 #MSD #MSDPerformance #MSDIgnition | MSD Performance

MSD’s Atomic EFI just got better with the introduction of Atomic 2.0! The new system retains its self-learning capability but adds an optional lap-top-tuning feature for dialing in unique and high-power engines. Redesigned boosters improve fuel dispersion and four 100lb/hr injectors support 650hp naturally aspirated, or 635hp in blow-through or draw-through forced induction applications. Atomic 2.0 is a direct fit on any 4150-flange intake manifold and a revised kickdown linkage supports GM, Chr