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Sniper EFI Stealth 4150 Fuel Injection Systems

Holley has announced the release of a new fuel injection system from its Sniper EFI division. Modeled after an Ultra XP carburetor, the Sniper Stealth 4150 features four 100 lb./hr. injectors, dual feed configuration and supports up to 650 hp naturally aspirated.

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Holley has announced the release of a new fuel injection system from its Sniper EFI division. Modeled after an Ultra XP carburetor, the Sniper Stealth 4150 features four 100 lb./hr. injectors, dual feed configuration and supports up to 650 hp naturally aspirated. Other features include the high-pressure fuel crossover line (already in the box), rear exit wiring for easier routing and a more stealth look, and a timed spark port located under the front injector cover (fuel bowl) making this a convenient and very capable system.
Sniper EFI Stealth 4150
The Sniper Stealth 4150 ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, driveability, and wide-open throttle horsepower! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications.
For more info, click here.
Sniper EFI Super Stealth 4150 – 650 HP
Throttle body mounted ECU – no extra boxes to mountSupports up to 650HP with four 100lb/hr InjectorsIncludes high pressure fuel crossover lineAll 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 outputsThree Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure SensorsSix Programmable Ground OutputsOne +5v Reference Output – +5V Power Supply for 0-5v SensorsOne Sensor Ground – Ground supply for 0-5v Sensors
For more info, click here.
Sniper EFI Super Stealth 4150 – 1250 HP
Supports up to 1250HP with eight 100lb/hr InjectorsExternal fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge DisplaysSimple 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 for 2.25″ exhaust ensures a leak free oxygen sensor installation, withStainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flangeAvailable in 3 finishes: Shiny, Black and coming soon, Gold
For more info, click here.
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