Holley Sniper EFI 4150- 550-511 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
- 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
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 Height 3.28" 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 UPC 090127729007 Part Number 550-511
We Also Recommend
Weiand- 7583P 6-71 Street Supercharger Kit for Big Block Chevy (Standard Deck) 1/2" Pitch Drive Belt, Polished Finish
Weiand- 7583 6-71 Street Supercharger Kit for Big Block Chevy (Standard Deck) 1/2" Pitch Drive Belt, Satin Finish
Weiand 7750-1 144 Pro-Street Supercharger Kit, Chevy Small Block, (Low Profile), Long Nose 10-Rib Drive Belt Low Profile Standard Heads Universal Kit Polished Finish
Weiand- 6542-1 Powercharger Kit Chevy Small Block (Vortec L31 Fastburn Head), Nose 6-Rib Drive Belt, Universal Kit Satin Finish