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Holly Sniper EFI Holley XFlow, Classic Gold 550-542

Holly Sniper EFI Holley XFlow, Classic Gold 550-542
Holly Sniper EFI Holley XFlow, Classic Gold 550-542Holly Sniper EFI Holley XFlow, Classic Gold 550-542
$2,650.99 ea
NEWARRIVING SOONEstimated Ship Date 03/18/2024 (If Ordered Today)7 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/25/2024
Model: 4008317
STANDARD
DELIVERY
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:
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time.
  • Throttle body mounted ECU – no extra boxes to mount
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
  • Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP
  • 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
  • Programmable Target Air Fuel Ratios per Boost level
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • One +5v Reference Output - +5V Power Supply for 0-5v Sensors
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • Patent Number - US10294902B2
  • Compatible with Draw through or Blow through forced induction applications
  • Supports up to 800HP N/A with 4 120 Lb/Hr Injectors
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
  • One Sensor Ground – Ground supply for 0-5v Sensors
  • Integrated ignition timing control
  • 2.5Bar MAP Sensor
  • Six Programmable Ground Outputs
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • 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!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • Flows 900CFM, making it perfect for high rpm N/A engine combinations
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Built in Single stage progressive nitrous control
  • User friendly Boost Control with handheld adjustability
E-85 - Not Recommended
Installation Notes:
E-85 - Not Recommended

Downloads:

Download Name File Size
199r11935.pdf1.99MB
199r11936.pdf5.08MB

Videos:

Specifications:

CFM 900
Emission Code 3
Finish Classic Gold
Flange Style 4150
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
Part Type Fuel Injection System
Product Type Sniper EFI XFlow
Transmission 700R4/200R4

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Holly Sniper EFI Holley XFlow, Classic Gold 550-542:
Classic Chevy 2024