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Sniper EFI 4BBL - Black

  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650hp with Four 100 Lb/Hr Injectors!
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • Integrated ignition timing control & coil driver
  • 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!
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
  • Available in base & master kits (Master kits include complete fuel system consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!)
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime 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
  • 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
  • Patent Pending
Sniper EFI 4BBL - Black

Sniper EFI 4BBL Master Kit - Black

  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650hp with Four 100 Lb/Hr Injectors!
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Includes complete fuel system consisting of; 20ft of 3/8” Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • Integrated ignition timing control & coil driver
  • 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!
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime 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
  • Patent Pending
View Holley Sniper EFI Self-Tuning Master Kit - Black Ceramic Finish

Super Sniper 650 - Black

  • 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
View Holley Sniper EFI 4150 Super Sniper 650

Super Sniper 1250 - Black

  • 1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction)
  • The 800 CFM Main Body will support 700 Horsepower Naturally Aspirated
  • Compatible with Draw thru or blow thru forced induction applications
  • Built-in Single stage progressive nitrous control
  • Programmable inputs and outputs
  • Integrated ignition timing control for precise timing curves
  • Only 4 Wiring Connections Required! (Battery +, Battery-, Switched Ignition & RPM)
  • 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!
  • 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
View Holley Sniper EFI 4150 Super Sniper 1250

Sniper XFlow 1375 - Black

  • Supports up to 1375HP Forced Induction with 8x 120 Lb/Hr Injectors
  • Compatible with Draw through or Blow through forced induction applications
  • 2.5Bar MAP Sensor
  • Integrated ignition timing control
  • Built in Single stage progressive nitrous control
  • User friendly Boost Control with handheld adjustability
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time.
  • 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
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Throttle body mounted ECU – no extra boxes to mount
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP or 12-851 for 1000+ HP.
  • 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!
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • Included 2.5” 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
  • Patent Number - US10294902B2
View Holley Sniper EFI XFlow 1375 - Black Ceramic

Sniper 2x4 - Black

  • Supports up to 1250 HP with Eight 100 Lb/Hr Injectors
  • Internal MAP Sensor
  • Integrated ignition timing control
  • Built in Single stage progressive nitrous control
  • Programmable Target Air Fuel Ratios & Ignition Timing per Boost level
  • Single Throttle body mounted ECU, with easy connections between the two throttle bodies – no extra boxes to mount
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Fits on intake manifolds with flange spacing between 6.43"-13.5" (Includes most Edelbrock Manifolds)
  • Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP, 12-851 for 1000+ HP
  • 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!
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime 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
  • Patent Pending
View Holley Sniper EFI 2x4™ - Black
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  • In Stock
Finish
  • Black
  • Black Ceramic
  • Classic Gold
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CFM
  • 800
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Injector Size
  • 100 lb/hr @ 58.5 PSI
  • 120 Lb/Hr @ 58.5 PSI
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MAP Sensor
  • 2.5Bar
  • 2Bar
Max Horsepower Rating
  • 650 Forced Induction
  • 650 Naturally Aspirated
  • 800HP Naturally Aspirated
  • 1250 Forced Induction
  • 1250 Naturally Aspirated
  • 1375 Forced Induction
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    HyperSpark Ignition Systems

    • Designed to be plug and play with Sniper EFI Systems
    • Hall Effect crank trigger sensor in a billet distributor housing provides a noise free RPM signal to the Sniper ECU
    • Patented Clear Installation Cap makes phasing the distributor virtually fool proof
    • Pre-Terminated Ignition coil connector removes any doubt of loose connections at the Ignition Coil
    • HyperSpark CD Ignition box is sealed and powder coated to be installed in the harshest of locations
    • External LED on HyperSpark CD Ignition box helps verify 12v, cranking RPM, and low battery voltage
    • The HyperSpark ignition coil comes with an integrated mounting bracket, making installation hassle free
    • Perfect for anyone wanting to add timing control to their Sniper EFI Installation
    • Timing Control Improves Idle stability, throttle response, fuel economy and Wide Open Throttle Horsepower!
    Shop HyperSpark Ignition

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    Sniper EFI 4BBL

    Holley just brought EFI within range - introducing Sniper EFI! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. Put an end to cold start issues, hesitations, vapor lock, and flooding.