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    Holley Dual  Super Sniper EFI 4150 2x4  Shiny Finish  supports 1250 HP

    Thumbnail Filmstrip of Holley Dual Super Sniper EFI 4150 2x4 Shiny Finish supports 1250 HP Images

      Purchase Holley Dual Super Sniper EFI 4150 2x4 Shiny Finish supports 1250 HP

      SKU: HLY-550-531
      550-531 Holley Super Sniper EFI 4150 2x4 Shiny Finish For Blown or Unblown


      Holley Dual Sniper Reg. and Fuel Pump kit:

      Introducing Sniper EFI 4150 2x4! Looking to convert your draw-through dual carbureted blower engine to EFI? Do you have a Tunnel Ram with dual quad carbs? Look no further! The Sniper EFI 4150 2x4 system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 1250 HP on both naturally aspirated and forced induction applications. The Sniper EFI 4150 2x4 was designed for use on naturally aspirated engines, while the Super Sniper EFI 4150 2x4 system was developed for both naturally aspirated and draw through supercharged applications. The Super Sniper EFI 4150 2x4 system is equipped with an internal 2.5bar MAP sensor that is ready to be boost referenced out of the box, supporting up to 21.5 psi of boost on boosted applications. For applications making more than 21.5 psi of boost, the Super Sniper EFI 4150 2x4 system has three additional 0-5v Sensor Inputs which can be used for an external MAP Sensor as well as oil pressure and fuel pressure. Every Sniper EFI can be used with free downloadable Sniper EFI Software, giving you unlimited control of your engine. Super Sniper EFI 2x4 comes with a USB to CAN tuning cable allowing for live engine tuning.

      You can install an Enderle Bugcatcher on top of these for $1040  and it will look like a  Blown Enderle Injection 

      • Supports up to 1250 HP with Eight 100 Lb/Hr Injectors
      • Compatible with draw through super charged applications
      • 2.5Bar MAP Sensor
      • Integrated ignition timing control
      • Built in Single stage progressive nitrous control
      • Programmable Target Air Fuel Ratios & Ignition Timing per Boost level
      • USB to CAN Communication cable included for easy laptop tuning
      • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
      • One Sensor Ground – Ground supply for 0-5v Sensors
      • 550-531
      • 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 as tight as 6.4375” center to center (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


      CFM 1600
      Coast Guard Approved Yes
      Emission Code 3
      Finish Shiny
      Fuel Pressure 58.5 PSI
      Height 3.28"
      Injector Size 100 lb/hr @ 58.5 PSI
      Product Type EFI System
      Part Number 550-531

      Holley Super Sniper EFI 4150 2x4 –Shiny Finish For Blown or Unblown

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