Holley 550-541 Sniper EFI XFlow 900 CFM
Original price was: $1,619.99.$99.00Current price is: $99.00.
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Introducing the Holley 550-541 Sniper EFI XFlow! Are you building a naturally aspirated engine up to 800 Horsepower? Looking to convert your blow through carbureted turbo engine to EFI? Look no further! This Black Ceramic Finish Sniper EFI XFlow from Holley features Four 120LB/HR Fuel Injectors and flows 900CFM. This allows it to safely support up to 800 HP on Naturally Aspirated engines!
The XFlow comes with an internal 2.5bar MAP sensor that will safely work on boosted applications up to 21.5 psi. For applications making more than 21.5 psi, there are three additional 0-5v Sensor Inputs. These can be used for an external MAP Sensor, Dome Pressure for boost control, as well as oil and fuel pressure.
An External Fuel Pressure regulator is required; we recommend part number 12-848 for N/A applications.
Holley 550-541 Sniper EFI Xflow 900 CFM Features:
- Supports up to 800HP N/A with 4 120 Lb/Hr Injectors
- Flows 900CFM, making it perfect for high rpm N/A engine combinations
- Compatible with both Draw through and Blow through forced induction applications
- 2.5Bar MAP Sensor
- Integrated ignition timing control
- Built in Single stage progressive nitrous control
- User friendly Boost Control with handheld adjustability
- Programmable Target Air Fuel Ratios per Boost level
- Advanced boost control available via free Sniper EFI tuning software, including both Boost vs RPM and Boost vs Time.
- Three Programmable 0-5V Sensor Inputs for either Oil/Fuel/Dome or Nitrous Pressure Sensors
- Six Programmable Ground Outputs
- One +5v Reference Output – +5V Power Supply for 0-5v Sensors
- One Sensor Ground Ground supply for 0-5v Sensors
- Dual Pattern bolt on carburetor replacement, designed to fit both 4150 Flange and Spread Bore manifolds! Note: Spread Bore Sealing Plate Part #9006 is recommended.
- Throttle body mounted ECU no extra boxes to mount
- Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM)
- Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, as well as Gauge Displays
- Simple Calibration Wizard (Answer a few questions about your engine and it creates the base map, then starts tuning on its own) NO laptop required!
- Self-tuning ECU means you dont have to be a computer/tuning wiz to have EFI!
- Patent Number: US10294902B2
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