Sniper 550-877 - Holley EFI Super Stealth 1250 - Black

Sniper 550-877 - Holley EFI Super Stealth 1250 - Black

Holley Sniper EFI Super Sniper Stealth 1250 - Black

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

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!

• Bolt on 4150 Flange Carburetor Replacement
• Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
• Throttle body mounted ECU – no extra boxes to mount
• Supports up to 1250hp with Eight 100 Lb/Hr Injectors!
• All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
• Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
• 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
• Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
• External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
• Integrated ignition timing control
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
• OEM Style TPS/IAC, for years of dependable service.
• Available in 3 finishes: Shiny, Black and coming soon, Gold
• Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange