HOLLEY SNIPER EFI XFLOW - SHINY, SUPPORTS UP TO 800HP - 3.5 IN. HANDHELD MONITOR - 4X120 LB/HR INJECTORS
Part # HLY-550-540
Are you building a naturally aspirated monster or converting your blow-through carbureted turbo engine to Fuel Injection? Sniper EFI XFLOW is built with max power capabilities in mind making it the perfect setup for your build. Featuring 4x120 LB/HR injectors and flows 900CFM making it perfect for high RPM N/A engine combinations. The XFlow comes with an internal 2.5bar MAP sensor that will safely work on boosted applications up to 21.5 psi. Featuring built in single stage progressive nitrous control and user friendly boost control with hand held adjustability the Sniper XLFLOW really can support any setup you can throw at it! When it comes to converting your carbureted engine to EFI, we strive for simplicity. Sniper is designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. Sniper EFI is part of a complete ecosystem! Your new Sniper kit pair's seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel System's, Air Cleaners, Throttle Body & Digital Dash to unlock the full potential of your build. Complete your fuel injection journey by checking out our full offer of ignition, fueling and accessories!
| Item# | Status | Description | Qty. | Your Price | |
|---|---|---|---|---|---|
| HLY-550-540 | In Stock |
Supports Up To 800HP - 3.5 in. Handheld Monitor - 4x120 LB/HR Injectors |
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Features:
- Supports up to 800HP naturally aspirated & 690HP boosted!
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- 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!
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- 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
- Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP
- 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
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HOLLEY SNIPER EFI XFLOW - SHINY, Supports Up To 800HP - 3.5 in. Handheld Monitor - 4x120 LB/HR Injectors
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