MSD Ignition 4150 Atomic EFI 2 - Natural Finish
121-2910-2
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650 HP
This natural "raw" finish 2910-2 Atomic EFI 2 Throttle Body Fuel Injection (TBI) System by MSD is an all-new redesign of the original Atomic EFI system that is self-learning and compatible with nitrous and boosted applications up to 21.5 PSI.
Features:
- Improved booster design for superior fuel atomization
- Fully integrated ECU
- Improved calibration wizard
- High-resolution, full color, 3.500 in. touchscreen
- Optional laptop tuneability (Ideal for fine-tuning and boosted applications)
- Improved nitrous control for wet or dry systems
- Integrated timing control
- Higher horsepower rating (Supports up to 650 HP Naturally Aspirated or 635 HP Forced Induction)
- Roller bearing throttle shafts
- Integrated fuel pump control with 40 amp relay
- Integrated fan control
- OEM Style TPS/IAC and fuel pressure sensors
- Bosch LSU 4.9 wideband oxygen sensor with stainless steel t-bolt clamps and stainless steel (weldable) oxygen sensor bung
Notes:
- Compatible with MSD, Holley Hyperspark, and OEM Ignition Systems
- Compatible with Holley EFI digital dashes, gauges, and fuel system accessories
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI (Holley 510-12-882)
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.