Holley MSD Atomic 2 ECU - Engine Builder Magazine

Holley MSD Atomic 2 ECU

The Atomic 2 system from MSD features 4, 100-lb./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 635 hp on forced induction applications.

Holley / MSD have released the Atomic 2 system, a ground-up redesign that utilizes an 865 CFM throttle body with an integrated ECU, a full-color touch screen, a simple four-wire hookup and new features.

The Atomic 2 system from MSD features 4, 100-lb./hr. fuel injectors capable of supporting up to 650 hp naturally aspirated or 635 hp on forced induction applications. The Atomic 2 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower.

Designed to fit on 4150 intake manifold, with ample clearance for factory air cleaners. The Atomic 2 provides the performance and drivability benefits that you expect from fuel injection. Quick starts, smooth idle and great throttle response just to name a few. Combine the fact that the Atomic 2 will support ignition timing through the ECU and you have a win-win combination.

Initial timing is handled through a compact handheld monitor where you simply answer a few car guy questions about your engine and you’re off and running! 2910-2 – MSD Atomic 2 – Raw Finish2910-2BK – MSD Atomic 2 – Black

You May Also Like

Accessory Stud Kits From ARP

All ARP fasteners are manufactured in-house at California facilities to the industry’s highest standards.

ARP’s unique accessory studs with a rounded “nut starter” nose are available for an ever-increasing variety of applications. These include specially designed studs for securing bellhousings, carburetors, distributors, headers, timing covers, valve covers and more. An important benefit of using studs is being able to accurately position gaskets and hold them in place during the assembly process.

BoostLine Connecting Rods for Nissan VQ37

The patented 3-pocket design was specifically engineered for demanding turbocharged, supercharged and nitrous applications.

Diamond Pistons’ Toyota 3UR-FE Piston Kits

Toyota’s 3UR-FE engine came to the market in 2007, and has since been a workhorse. As such, Diamond Pistons has announced a 3UR-FE piston kit.

Howell EFI Wiring Harnesses

Reprogramming of the existing ECM or ECM module supplied by Howell is required. ECM’s are reprogrammed to the vehicle’s engine and transmission specifications; i.e. gear ratios, tire size, cam changes, vehicle anti-theft (VAT’s) removal, etc. 

Precision Racing Components’ 5 Stage Sprint Car Oil Pump

The pump features a unique pressure gear design along with true helical scavenge rotors giving PRC’s oil pumps a competitive advantage.

Other Posts

PWR LSA Intercooler for 2012-’15 Camaro ZL1

Paired with PWR’s heat exchanger upgrade, this brick can support any high-horsepower build and keep your car at its coolest.

Jesel Sportsman Roller Lifters

From mild drag engines, street/strip builds, pleasure boats to circle track, these lifters will give you bulletproof performance.

Turbosmart’s Boost Tee Manual Boost Controllers

Now featuring a 33% smaller, more ergonomic design, these boost controllers incorporate the same functionality that made it a crowd favorite.

Elgin’s LSX 376 Camshaft

Elgin has introduced two LS camshafts with its 480 Hot Cam and 515/525 ASA camshafts.