Holley Sniper EFI Base kit - Black Ceramic Finish
Part # 550-511
- Dual Pattern bolt on
carburetor replacement, designed to fit 4150 Flange & Spread Bore
manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
- Throttle body mounted ECU – no extra boxes to mount
- Supports up to 650hp with Four 100 Lb/Hr Injectors!
- Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- Integrated ignition timing control & coil driver
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
Calibration Wizard (Answer a few questions about your engine and it
creates the base map, then starts tuning on its own!) - NO laptop
- Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
in base & master kits (Master kits include complete fuel system
consisting of; 20ft of 3/8" Vapor Guard Fuel Hose, 12-920 Fuel Pump,
Filters, necessary hardware and bulkhead fitting to return fuel into the
- 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.
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
- 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
- Patent Pending