Holley Sniper EFI XFlow 1375 - Classic Gold - Part# 550-546
Supports up to 1375HP on boosted engines with 8x 120lb/hr injectors!
Introducing Sniper EFI XFlow! Looking to convert your blow through carbureted turbo engine to EFI? Look no further! The Sniper EFI XFlow 1375 from Holley features eight 120 LB/HR Fuel Injectors and flows 900CFM allowing it to safely support up to 1375HP with forced induction! 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 which can be used for an external MAP Sensor, Dome Pressure for boost control, and/or oil pressure and fuel pressure sensors. An External Fuel Pressure regulator is required; we recommend part number 12-851 for Forced Induction applications.
Supports up to 800HP N/A or 1375HP Forced Induction with 8x 120 Lb/Hr Injectors.
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 or 12-851 for 1000+ 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|
|Injector Size||120 Lb/Hr @ 58.5 PSI|
|Inlet / Outlet Size||9/16-18 Female O-Ring (AN 6)|
|Max Horsepower Rating||1375 Forced Induction|
|Product Type||Sniper 4BBL TBI Kits|
WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov
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