Holley Sniper EFI XFlow - Classic Gold - Part# 550-542

Holley Sniper EFI XFlow - Classic Gold - Part# 550-542
900 CFM supports up to 800HP N/A with 4x 120 Lb/Hr Injectors

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, as well 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 Resolution Full Color Touchscreen for Initial Setup, Tuning, and 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 don’t have to be a computer/tuning wiz to have EFI!
The included Genuine Bosch LSU 4.9 Wideband Oxygen 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
Patent Number - US10294902B2

Brand Holley Sniper EFI
CFM 900
Emission Code 3
Finish Classic Gold
Height 3.28"
Injector Size 120 Lb/Hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
MAP Sensor 2.5Bar
Max Horsepower Rating 800HP Naturally Aspirated
Product Type Sniper 4BBL TBI Kits
Transmission 700R4/200R4
TH350
Part Number 550-542


 

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