Sniper EFI XFLow 4BBL Self Tuning System, Shiny900 cfm 8 Injectors, 800 HP N/A, 1375 HPForced InductionBrand: HOLLEYPart Number: HO550-544Description: Introducing 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! The Sniper EFI XFlow from Holley features 4, 120LB/HR Fuel Injectors and flows 900CFM allowing it safely supporting 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, and has three additional 0-5v Sensor Inputs which can be used for an external MAP Sensor, or Dome Pressure for boost control, aswell as oil pressure and fuel pressure. An External Fuel Pressure regulator is required; we recommend part number 12-848 for N/A applications. 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 Draw through or 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 Boost vs RPM and Boost vs Time. Three Programmable 0-5V Sensor Inputs for 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 4150 Flange & Spread Bore manifolds - (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 ResolutionFull Color Touchscreen for Initial Setup, Tuning, and Gauge Displays Simple Calibration Wizard (Answer a few questions about your engine and it creates the basemap, then starts tuning on itsown!) - NO laptop required! Self-tuning ECU means you don't have to bea computer/tuning wiz to have EFI! The included Genuine Bosch LSU 4.9 WidebandOxygen Sensor provides realtime Fuel Map Learn! OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service. Included 2.5"clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
