The Atomic 2 EFI system by MSD incorporates four 100LB/HR fuel injectors, supporting up to 650 HP in naturally aspirated applications or 635 HP in forced induction setups. This system is designed to fit on a 4150 intake manifold, providing sufficient clearance for factory air cleaners.
\n\nKey Features:
\n\n- \n
- Direct replacement for common 4-barrel carburetors with a 4150-style (square bore) flange. \n
- Master Kits include a complete fuel system with 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 to return fuel into the tank. \n
- Throttle body flows 865 CFM and features 1 ¾” throttle plates. \n
- Booster design offers superior fuel atomization. \n
- ECU is 100% incorporated into the throttle body, eliminating the need for a separate Power Module. \n
- Improved Calibration Wizard for easy setup, tuning, and gauge displays on a high-resolution 3.5” touchscreen. \n
- Optional laptop tuneability for fine-tuning and unique engine combinations or boosted applications up to 21.5 PSI. \n
- Built-in nitrous control supports wet/dry nitrous applications. \n
- Integrated ignition timing control with an ignition coil driver, eliminating the need for an ignition box. \n
- Only four wiring connections required (Battery +, Battery -, Switched Ignition & RPM). \n
- Available in a durable black ceramic finish or raw aluminum. \n
- Throttle body linkage now includes kickdown support for 200R4, 700R4, C4, and C6 transmissions. \n
- Higher horsepower rating, supporting up to 650 HP naturally aspirated or 635 HP forced induction with four 100 Lb/Hr injectors. \n
- Roller bearing throttle shafts for smooth throttle feel and reduced pedal effort. \n
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI. \n
- Fuel pump control built-in with a 40 amp relay. \n
- Fan control eliminates the need for an external fan controller. \n
- OEM-style TPS/IAC and fuel pressure sensor for dependable service and easy replacement. \n
- Includes a Genuine Bosch LSU 4.9 Wideband Oxygen Sensor for real-time fuel map learning. \n
- Compatible with MSD, Holley Hyperspark, and OEM ignition systems. \n
- Compatible with Holley EFI digital dashes, gauges, and fuel system accessories. \n
The Atomic 2 EFI system ensures quick starts, smooth idle, and excellent throttle response while offering advanced self-learning technology for optimal performance and drivability.
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No