Holley 550-520 Super Sniper EFI 650 HP Fuel Injection Kit
Holley Part Number 550-520. Introducing Holley Super Sniper EFI! Looking to convert your blow thru carbureted turbo engine to EFI? Holley offers a 650 HP four injector version for lower horsepower applications with a power adder or someone just needing additional sensor inputs. Did we mention the Super Sniper also has full nitrous control built-in? That’s right, no need for a separate nitrous controller! 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 engine. 650 HP version features four 100 Lb/Hr Injectors. Compatible with Draw-Thru or Blow-Thru forced induction applications. User-friendly Boost Control with handheld adjustability. Programmable Target Air Fuel Ratios per Boost level. Advanced boost control is available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time Same popular boost control offered in Holley HP and Dominator EFI systems! 2.5 Bar MAP sensor included which safely works on applications up to 21.5 PSI. Built-in Single stage progressive nitrous control. Dry or Wet Nitrous Support. Progressive or Non-Progressive control strategies. Time or RPM based Timing Retard and much more! Integrated ignition timing control for precise timing curves. 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. 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/tuning wiz to have EFI! Only 4 Wiring Connections Required! (Battery +, Battery-, Switched Ignition & RPM). High-Resolution Full Color Touchscreen for initial Setup, Tuning, and Gauge Displays. 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! The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn! 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 Flange & Spread Bore manifolds – (Spread Bore Sealing Plate Part #9006 recommended). Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions! A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13. Compatible with Holley EFI analog gauges and electronic dashes. Please contact before ordering if you are not 100% sure of fitment. Inlet / Outlet Size. 9/16-18 Female O-Ring (AN 6). Sniper 4BBL TBI Kits. The item “Holley 550-520 Super Sniper EFI 650 HP Fuel Injection Kit” is in sale since Friday, March 29, 2019. This item is in the category “eBay Motors\Parts & Accessories\Car & Truck Parts\Air Intake & Fuel Delivery\Fuel Inject. Controls & Parts”. The seller is “lipstick_performance” and is located in Bowling Green, Kentucky. This item can be shipped to United States, Canada, United Kingdom, Australia, Mexico, Germany, Japan, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Greece, Portugal, Cyprus, Slovenia, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Panama, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Ukraine, Cayman islands.
- Type: Self Tuning EFI
- Metering Style: Speed density
- Throttle Body Material: Cast aluminum
- Manufacturer Part Number: 550-520
- Throttle Body Mounting Flange: 4-barrel square bore
- Injection Style: Throttle body
- Brand: Holley Sniper
- Fitment Type: Performance/Custom
- Warranty: Manufacturers Warranty Only
- Mounting Hardware Included: Yes