Name: Supports Up To 650HP Boosted - 3.5 in. Handheld Monitor | SNI550-519
Brand: Holley Sniper EFI
SKU: SNI550-519
Price: 2160.99 CAD
Availability: InStock

Supports Up To 650HP Boosted - 3.5 in. Handheld Monitor | SNI550-519

Part #SNI550-519

$2,160.99

Holley's Super Sniper EFI 650 is the #1 way to convert your blow-through carbureted turbo engine to fuel injection with just 4 simple connections required. This 4-barrel system features a dual pattern bolt on design built to fit 4150 flange & spreadbore manifolds. Super Sniper is designed specifically for lower horsepower boosted applications or someone just looking for some additional sensor inputs. Super Sniper can support up to 650HP naturally aspirated or 600HP boosted with 4 100 LB/HR Injectors. We want everything to be as simple as it can be for you! Sniper kits are built and designed to be installed at home in your garage or driveway with limited tools and the support of Holley's comprehensive installation manual and videos. An afternoon in the garage and you will be enjoying improved engine performance, better MPG's and easier starting. After the simple installation it's time to let your Sniper begin the self-tuning process. Our user-friendly calibration wizard allows you to just answer a few questions about your engine and the system will begin self-tuning with no laptop required. You don't have to be a computer wiz or specialize in tuning to use a Sniper EFI system! Use the high resolution 3.5" full color touchscreen for tuning and gauge displays. 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!

Supports Up To 650HP Boosted
One Sensor Ground – Ground supply for 0-5v Sensors
Progressive or Non-Progressive control strategies
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
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!
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
A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
Built-in Single stage progressive nitrous control
Compatible with Holley EFI analog gauges and electronic dashes
Only 4 Wiring Connections Required! (Battery +, Battery-, Switched Ignition & RPM)
Time or RPM based Timing Retard and much more!
Compatible with Draw-Thru or Blow-Thru forced induction applications
One +5v Reference Output - +5V Power Supply for 0-5v Sensors
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!
Dry or Wet Nitrous Support
Throttle body mounted ECU – no extra boxes to mount
Programmable inputs and outputs
Integrated ignition timing control for precise timing curves
Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
One Sensor Ground – Ground supply for 0-5v Sensors