Atomic 2 EFI Kit, Black Finish 865cfm Throttle Body, Integrated ECU, Full Color Touch Screen

The Atomic 2 EFI system from MSD features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 635 HP on forced induction applications. The Atomic 2 ECUis capable of fuel map self-learning and ignition timing control, improving idlestability, drivability, and wide-open throttle horsepower!Designed to fit on 4150 intakemanifold, with ample clearancefor factory air cleaners.

The Atomic 2 EFI provides the performance and drivability benefits that you expect from fuel injection. Quick starts, smooth idle and great throttleresponse just to name a few. Combine the fact that the Atomic 2 will support ignitiontiming through the ECU and youhave a win-win combination. Initial timing is handled through a compact handheld monitor where you simply answer a few car guy questionsabout your engine and you're off and running!

Features:
- Direct replacement for common 4-barrel carburetors with 4150-style (square bore) flange
- NEW Throttle Body Flows 865 CFM and features 1-3/4" Throttle Plates
- NEW Booster design offers superior fuel atomization
- NEW ECU is 100% incorporated into the throttle body - no separate Power Module to mount
- NEW and Improved Calibration Wizard - Answer a few simple questions about your engine and it creates the base map, then starts tuning on its own!- NO laptop required!
- NEW High-Resolution, Full Color, 3.5" Touchscreen for Initial Setup, Tuning, andGauge Displays
- NEW Optional Laptop Tuneability - Ideal for fine tuning and unique engine combinations or for Boosted applications up to21.5 PSI
- IMPROVED Builtin Nitrous Control supports wet/dry nitrous
- Integrated ignition timing control - includes an ignitioncoil driver, no ignition box required
- Only 4 Wiring Connections Required! (Battery+, Battery - , Switched Ignition & RPM)
- NEWBlack Ceramic Finish Option for durable, modern looks. Also available in raw aluminium
- NEW Higher Horsepower Rating - Supports up to 650 HP Naturally Aspirated or 635 HP Forced Induction with Four 100 Lb/Hr Injectors
- Roller bearing throttle shafts for smooth throttle feel and less pedal effort
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley 12-882. (Only on PN 2910-2 and 2910-2BK)
- Fuel pump control built-in with a 40 amp relay
- Fancontrol eliminates the need for external fan controller, simply wire a relay to the fanand tell the Atomic 2 ECU the desired fan activation temperature
- NEW OEM Style TPS/IAC and Fuel Pressure sensor, for years of dependable service and easy replacement
- The included Genuine Bosch LSU 4.9Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- NEW - Includes clamp-on oxygen sensor kit forsimplified, leak free installation. Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensorbung included
- NEW - Compatible with MSD, Holley Hyperspark and OEM Ignition Systems
- NEW - Compatible with Holley EFI digital dashes, gauges and fuel system accessories