Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish
4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
PN# 550-511
 
It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
 
Perfect for street rods, muscle cars, off-road trucks or nearly any carbureted vehicle.
 
Put an end to cold start issues, hesitations, vapor lock, and flooding.
 
Upgrade to Sniper EFI and get the tactical accuracy of EFI today!
 
Features:
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.
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!
Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!
Available 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 tank!)
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 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
 
SPECS
Brand
Holley Sniper EFI
CFM
800
Coast Guard Approved
Yes
Emission Code
3
Finish
Black Ceramic
Flange Style
Dual Bolt Pattern
Fuel Pressure
58.5 PSI
Injector Size
100 lb/hr @ 58.5 PSI
Inlet / Outlet Size
9/16-18 Female O-Ring (AN 6)
MAP Sensor
2Bar
Max Horsepower Rating
650 Naturally Aspirated
Product Type
Sniper EFI
Transmission
700R4/200R4
 
TH350
 
 
Instructions for PN# 550-511
 
Wiring Instructions for PN# 550-511