Holley Sniper Efi 4150 Super Sniper 1250 Self-Tuning Kit (550-512)

Holley SKU: 550-512
Regular price



Introducing Holley Super Sniper EFI! Looking to convert your blow thru carbureted turbo engine to EFI? Look no further than the Holley Super Sniper 4150 EFI systems featuring 8, 100 pounds per hour fuel injectors capable of supporting up to 1250 HP on forced induction or dry nitrous applications. 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 engineolley Sniper EFI 4150 Super Sniper 1250 self-tuning kit features:

  • 1250 HP version features eight 100 pounds per hour injectors (forced induction)
  • The 800 CFM main body will support 700 horsepower naturally aspirated engines
  • 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
  • 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 or tuning wiz to have EFI
  • High-resolution, full-color touchscreen for initial setup, tuning, and gauge displays
  • Simple calibration wizard
  • Included genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning
  • 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 flanges and spread bore manifolds
  • Compatible with Holley EFI analog gauges and electronic dashes
  • Patent pending

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