Item # 22821 BRAND: Holley

Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finis

650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
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650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish

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Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finis

Product Overview:

Description

Looking to convert your blow thru carbureted turbo engine to EFI? Look no further. Holley offers a 650 HP four injector version for lower horsepower applications with a power adder or someone just needing additional sensor inputs. Did we mention the Super Sniper also has full nitrous control built-in? That's right, no need for a separate nitrous controller! Every Super Sniper EFI system also comes with a USB to CAN tuning cable, as well as free downloadable Sniper EFI Software to give you unlimited control of your engine.

Features:

  • 650 HP version features four 100 Lb/Hr Injectors
  • Compatible with Draw-Thru or Blow-Thru forced induction applications
  • User-friendly Boost Control with handheld adjustability
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time – Same popular boost control offered in Holley HP and Dominator EFI systems!
  • 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI
  • Built-in Single stage progressive nitrous control
  • Dry or Wet Nitrous Support
  • Progressive or Non-Progressive control strategies
  • Lean/Rich AFR Cutoff
  • Time or RPM based Timing Retard and much more!
  • Integrated ignition timing control for precise timing curves
  • Programmable inputs and outputs
  • 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
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI) for N/A or Nitrous applications
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
  • Only 4 Wiring Connections Required! (Battery +, Battery-, Switched Ignition & RPM)
  • 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!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
  • OEM Style TPS/IAC and fuel pressure regulator, for years of dependable service
  • Included 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
  • Throttle body mounted ECU – no extra boxes to mount
  • USB to CAN Communication cable included for easy laptop tuning of advanced controls
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 recommended)
  • Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
  • A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
  • Compatible with Holley EFI analog gauges and electronic dashes
  • Patent Pending

Warranty

1 Year Manufacturers Warranty

Specifications

Brand: Holley EFI<br> CFM: 800<br> Emission Code: 3<br> Finish: Classic Gold<br> Height: 3.28"<br> Injector Size: 100 lb/hr @ 58.5 PSI<br> Inlet / Outlet Size: 9/16-18 Female O-Ring (AN 6)<br> MAP Sensor: 2.5Bar<br> Max Horsepower Rating: 650 Forced Induction<br> Product Type: Sniper 4BBL TBI Kits<br> Transmission: 700R4/200R4/TH350<br> Part Number: 550-520<br> <b>EMMISIONS</b><br><br> <p>This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.</p><br /> <p>The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:</p><br /> • 1965 and older U.S. manufactured California Certified vehicles<br /> • 1967 and older U.S. manufactured Federally Certified vehicles<br /> • 1967 and older Foreign manufactured vehicle<br /><br /> The following vehicles are considered Racing Use Only Vehicles: <br /><br /> • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street<br /><br /> <b><u>WARNING: It is against the law to install this part on an Emissions Controlled Vehicle</u></b><br /><br /> The following vehicles are considered Emissions Controlled Vehicles: <br /><br /> • 1966 and newer U.S. manufactured California Certified vehicles<br /> • 1968 and newer U.S. manufactured Federally Certified vehicles<br /> • 1968 and newer Foreign manufactured vehicle

In the Box

Contents

(1) Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finish 550-520

Guides & Accessories

Instructions

<p><a href="https://documents.holley.com/199r11489.pdf" target="_blank"><i><b>Quickstart Guide for Part# 550-520</b></i></a></p><br /> <p><a href="https://documents.holley.com/199R11488r.pdf" target="_blank"><i><b>Instructions for Part# 550-520</b></i></a></p><br /> ***E-85 - Not Recommended

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Questions & Answers

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Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finis
$1,474.95
In Stock