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1962-1979 Nova Holley Super Sniper 4150 EFI Conversion, Black Ceramic Finish, up to 650hp 550-519

Ground Up Part #: HOL-550-519

Manufacturer Part #: 550-519

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$1,713.99 (Kit)
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Part Details Vehicle Fitment Reviews
Introducing Holley Super Sniper EFI!
Looking to convert your Novas 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 recommended)
  • Compatible with Holley EFI analog gauges and electronic dashes
  • Patent Pending

Specs:

  • CFM: 800
  • Finish: Black Ceramic
  • Height: 3.28in
  • 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

Manufacturer Part Number : 550-519

Part Notes:

Helpful Articles:

warning WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Emissions
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
Brand
Brand Logo Sniper EFI
Additional Information
  • SS396.com Part #: HOL-550-519
  • Brand: Sniper EFI
  • Manufacturer Part #: 550-519
  • Sold As: Kit
  • Shipping Details: This item ships Ground.
Vehicle Fitment
Make Model Year Body Style
Chevrolet Nova 1962 -
Chevrolet Nova 1963 -
Chevrolet Nova 1964 -
Chevrolet Nova 1965 -
Chevrolet Nova 1966 -
Chevrolet Nova 1967 -
Chevrolet Nova 1968 -
Chevrolet Nova 1969 -
Chevrolet Nova 1970 -
Chevrolet Nova 1971 -
Chevrolet Nova 1972 -
Chevrolet Nova 1973 -
Chevrolet Nova 1974 -
Chevrolet Nova 1975 -
Chevrolet Nova 1976 -
Chevrolet Nova 1977 -
Chevrolet Nova 1978 -
Chevrolet Nova 1979 -
Installation Time
Installation Time: Info Unavailable
Installation Difficulty
Installation Difficulty: Info Unavailable

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