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$1,199.95
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold

Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold

Universal Fit, Holley 2300 Carburetor Flange Type, Throttle Body Injection Style, User Tunable

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Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
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Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
Holley Sniper 550-520 EFI 4150 Super Sniper, 650 HP, Classic Gold
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We estimate this item will ship on or before October 25th.
Part # 425550520
$1,199.95
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 2 business days for Holley Sniper to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Carburetor Flange Type:
Holley 2300
Injection Style:
Throttle Body
User Tunable:
Yes
Self Tuning:
Yes
Injectors Included:
Yes
Injector Size:
100 lbs./hr.
Intake Manifold Included:
No
Metering Style:
Speed density
EGR:
No
Throttle Body Included:
Yes
Throttle Body Material:
Cast Aluminum
Throttle Body Finish:
Polished
Venturi Quantity:
2
Fuel Pump Included:
Yes
Fuel Rails Included:
No
Calibration Module Included:
Yes
ECM Included:
Yes
Wiring Harness Included:
Yes
Fuel Pressure Regulator Included:
Yes
Distributor Included:
No
MAP Sensor Included:
Yes
IAC Motor Included:
Yes
IAT Sensor Included:
No
TPS Sensor Included:
Yes
Use with Power Adder:
No
Max Horsepower Rating:
350
MFG. Part #:
550-520
GTIN Code:
090127021255
Sold in Quantity:
Kit

Info

Introducing Holley Super Sniper EFI!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
Some parts are not legal for use in California or other states with similar laws/regulations

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