Msd Ignition Atomic Efi 2 Master Kit - Black Finish

Experience the next level of fuel injection technology with the MSD Atomic 2 EFI system. Equipped with four 100LB/HR fuel injectors, it effortlessly supports up to 650 HP in naturally aspirated applications or 635 HP in forced induction scenarios. The Atomic 2 ECU boasts fuel map self-learning and ignition timing control, enhancing idle stability, drivability, and wide-open throttle horsepower. Specifically designed for a 4150 intake manifold, it ensures a seamless fit with ample clearance for factory air cleaners.

Key Features:

• Direct Replacement: Fits common 4-barrel carburetors with a 4150-style (square bore) flange.
• Master Kits: Complete fuel system included, featuring an external fuel pressure regulator preset to 58.5psi, 20ft of 3/8” EFI Rated Fuel Hose, Fuel Pump, Filters, necessary hardware, and bulkhead fitting for efficient fuel return.
• Enhanced Throttle Body: Flows 865 CFM and features 1 ¾” throttle plates for optimal performance.
• Improved Booster Design: Ensures superior fuel atomization, enhancing combustion efficiency.
• Integrated ECU: 100% incorporated into the throttle body, eliminating the need for a separate Power Module.
• Calibration Wizard: New and improved wizard simplifies setup—answer basic engine questions, and it creates the base map, initiating self-tuning without requiring a laptop.
• User-Friendly Touchscreen: High-resolution 3.5” touchscreen facilitates initial setup, tuning, and gauge displays.
• Optional Laptop Tuneability: Ideal for fine-tuning, accommodating unique engine combinations, or boosted applications up to 21.5 PSI.
• Built-in Nitrous Control: Supports wet/dry nitrous applications.
• Ignition Timing Control: Integrated control with an ignition coil driver, eliminating the need for an external ignition box.
• Simplified Wiring: Only four connections needed (Battery +, Battery -, Switched Ignition & RPM).
• Aesthetic Options: Choose from a durable black ceramic finish for modern aesthetics or raw aluminum.
• Throttle Linkage Upgrade: Now includes kickdown support for various transmissions.
• Higher Horsepower Rating: Supports up to 650 HP Naturally Aspirated or 635 HP Forced Induction with four 100 Lb/Hr injectors.
• Smooth Throttle Operation: Roller bearing throttle shafts ensure a smooth throttle feel with reduced pedal effort.
• Fuel System Compatibility: External fuel pressure regulator required, set to a base pressure of 58.5 PSI.
• Built-in Fuel Pump Control: Includes a 40 amp relay for efficient fuel delivery.
• Fan Control: Eliminates the need for an external fan controller—simply wire a relay to the fan and set the desired activation temperature.
• OEM Style Sensors: Utilizes OEM-style TPS/IAC and Fuel Pressure sensor for reliable service and easy replacement.
• Wideband Oxygen Sensor: Includes a Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time Fuel Map Learn.
• Simplified Oxygen Sensor Installation: New kit includes a clamp-on oxygen sensor kit for a leak-free installation, complete with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor bung.
• Compatibility: Compatible with MSD, Holley Hyperspark, and OEM Ignition Systems, as well as Holley EFI digital dashes, gauges, and fuel system accessories.

Transform your vehicle into a high-performance machine with the cutting-edge features of the MSD Atomic 2 EFI system.