HOLLEY HY-550-873 SUPER SNIPER
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Bolt on 4150 Flange Carburetor Replacement
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Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
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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!
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Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
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High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
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Throttle body mounted ECU – no extra boxes to mount
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Supports Up To 650HP Naturally Aspirated & 600HP Boosted!
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All of the wiring exits below the rear fuel injector cover, for a completely stealth installation.
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Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor.
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Programmable inputs and outputs
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Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
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Six Programmable Ground Outputs
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One +5v Reference Output - +5V Power Supply for 0-5v Sensors
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One Sensor Ground – Ground supply for 0-5v Sensors
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Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions.
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External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
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Integrated ignition timing control
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The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
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OEM Style TPS/IAC, for years of dependable service.
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vailable in 3 finishes: Shiny, Black and coming soon, Gold
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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