Holley Sniper EFI 550-512 4150 Super Sniper 1250

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Shiny Finish; Handheld Tuner; Bolt On Carburetor Replacement; Sniper EFI Self-Tuning Kit; Super Sniper 4150 Carb Replacement; Supports 1250 HP Forced Induction; Inclusive of 8 100lb/hr Fuel Injectors;
Please welcome the Holley Super Sniper EFI! Are you interested in switching your blow-through carbureted turbo engine to EFI? For Super Sniper 4150 EFI systems with 8, 100LB/HR Fuel Injectors capable of supporting up to 1250 HP in forced induction or dry nitrous applications, look no further than Holley. Is your combo unable to generate enough horsepower? No issue, Holley also has a 650 HP four injector version for those who only want more sensor inputs or lesser horsepower applications using a power adder. Did we mention that the Super Sniper has integrated complete nitrous control? 

Holley Sniper EFI 550-512 4150 Super Sniper 1250

Holley Sniper EFI 550-512 4150 Super Sniper 1250


  • Bolt On Carburetor Replacement
  • Wideband Oxygen Sensor Provides Realtime Fuel Map Learn
  • Throttle Body Mounted ECU; 4 Wire Vehicle Connection Battery/Switched Ignition/RPM
  • Integrated Fuel Pressure Regulator; Integrated Ignition Timing Control & Coil Driver
  • Color Touchscreen For Setup And Gauge Views
  • Calibration Wizard No Laptop Required
  • Self Tuning ECU
  • Self-Tuning ECU Means You Dont Have To Be A Computer/Tuning Wiz

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