Holley Sniper EFI 4150 4BBL Super Sniper 650 - Classic Gold Finish - Part# 550-520

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

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

Brand Holley Sniper EFI
CFM 800
Emission Code 3
Finish Classic Gold
Height 3.28"
Injector Size 100 lb/hr @ 58.5 PSI
Inlet / Outlet Size 9/16-18 Female O-Ring (AN 6)
MAP Sensor 2.5Bar
Max Horsepower Rating 650 Forced Induction
Product Type Sniper 4BBL TBI Kits
Transmission 700R4/200R4
TH350
Part Number

550-520

 

 

WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov


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