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Holley Sniper EFI Super Sniper 1250 - Black

Part # 550-513 Be the first to write a review

Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor

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Holley Sniper EFI Super Sniper 1250 - Black

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Holley's Sniper EFI Super Sniper 1250 is a great way to convert your blow-through carbureted turbo engine to fuel injection with just 4 simple connections required. This 4-barrel system features a dual pattern bolt on design built to fit 4150 flange & spreadbore manifolds and made for those who are looking to make big power out of their vehicle. The Super Sniper 1250 is designed specifically for high horsepower boosted applications. Super Sniper can support up to 1250HP boosted with 8 100 LB/HR Injectors. If you're going the NA route for now, but plan to potentially grow into a high-horsepower forced induction build you can still run this set up and be supported up to 700HP naturally aspirated. We want everything to be as simple as it can be for you! Sniper kits are built and 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. After the simple installation it's time to let your Sniper begin the self-tuning process. Our user-friendly calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. 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!

Features:

  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 recommended)
  • 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
  • Supports Up To 1250HP Boosted & 700HP Naturally Aspirated
  • 1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction)
  • The 800 CFM Main Body will support 700 Horsepower Naturally Aspirated
  • Built-in Single stage progressive nitrous control
  • Programmable inputs and outputs
  • Integrated ignition timing control for precise timing curves
  • 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
  • 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
  • Throttle body mounted ECU – no extra boxes to mount
  • Throttle body mounted ECU – no extra boxes to mount
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • 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

About Holley Sniper EFI

Explore Sniper's high-performance fuel system products to build your affordable high-performance fuel system at Holley.com!

Accelerometer SupportNo
Air Metering StyleSpeed Density
Boost ControlNo
Brand Holley Sniper EFI
CAN-BUS SupportNo
CategoryAir and Fuel Delivery
CFM800
Coil Per Cylinder Ignition SupportNo
Datalogging SupportYes
Distributor IncludedNo
Dry Nitrous ControlYes
e85 SupportNo
EGT SupportNo
Emission Code3
FinishBlack
Flange Style4150, Dual Bolt Pattern
Forced Induction SupportYes
Fuel Filter IncludedNo
Fuel Hose IncludedNo
Fuel Injectors IncludedYes
Fuel Pressure Regulator IncludedNo
Fuel Pump IncludedNo
Grade TypePerformance
Height3.28"
Ignition Timing ControlYes
Individual Cylinder Fuel CorrectionsNo
Injector Size100 lb/hr @ 58.5 PSI
Inlet / Outlet Size9/16-18 Female O-Ring (AN 6)
Intake Manifold IncludedNo
Knock Retard SupportNo
MAP Sensor2.5Bar
Max Horsepower Rating1250 Forced Induction
Multi-Stage Nitrous ControlYes
Product TypeSuper Sniper EFI 1250
Progressive Nitrous ControlYes
Self-TuningYes
Throttle Position Sensor IncludedYes
Traction Control SupportNo
Transmission700R4/200R4, TH350
User-TuneableYes
Wet Nitrous ControlYes
UPC090127039649
Part Number550-513
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

Have a question about this product?

  • Question

    Can i use the Holley super sniper on a engine that is under 650hp while i build my race engine

    By Benjamin Z. on January 26, 2020

    Answer
    Yes. Many people buy the super sniper for their projects simply for the extra inputs and outputs.
    Helpful?
  • Question

    hi wondering if the super sniper can control the ignition on a ls ? blew up my sbc that i was using it on considering switching just dont see the option anywhere. the only way i can see to make it work is to put a distributor on am i correct ?

    By wayne f. on February 24, 2020

    Answer
    No, the ECU does not have Multiple ignition channels for individual coils. You would need an MSD LS ignition box such as the 6013/6014
    Helpful?
  • Question

    Hi, I purchased this for my blow through turbo build. Question about the ignition system options for this. Since I am going with boost do I need to used a cd box that allows me to retard timing like the 6BTM? I was planning on using your hyperspark complete system and allow the ecu to control timing.....whats my options? Is it possible to use a 6al box as well? Thanks for your time. -Dante

    By Dante C. on January 9, 2020

    Answer
    If you are going to let the Sniper ECU control the ignition timing, then you can do all of the timing control needed from the EFI software. However, if you are more familiar with the MSD product and find that easier to use, you can also do it that way. Here is a Link to the Sniper EFI Software, it's free: https://documents.holley.com/techlibrary_sniper1.2.17installer.zip
    Helpful?
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