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#425550516D
Holley Sniper 550-516D EFI Returnless Master Kit, Classic Gold
$2,049.95
kit
Factory Shipped
This part will be shipped by the manufacturer. We estimate this item will ship on or before September 28th.
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Product Summary
Universal Fit, Throttle Body Injection Style, Gold
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Key Specs
| Injection Style | Throttle Body |
| CFM | 800 CFM |
| Injector Size | 100 lbs./hr. |
| Max Horsepower Rating | 650 |
| ECM Included | Yes |
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Holley Sniper 550-516D Details
Are you waiting to convert your carbureted vehicle to Sniper EFI, but don't like the idea of mounting an external fuel pump? Look no further. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. This contains combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings. The included fuel system places a 340LPH fuel pump in the tank, which can easily be accomplished with basic hand tools. The Drop-in Master kits make plumbing your Sniper EFI installation as hassle free as possible, simply cap the regulator on the sniper efi throttle body with the provided -6an cap, safely route the vapor guard fuel line along the chassis back to the diecast fuel hat, and the job is finished.
Features
- 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)
- Integrated ignition timing control & coil driver
- 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!
- Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
- No external fuel return line required!
- High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
- 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
- Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
- Includes complete fuel system consisting of; Sniper EFI Retrofit Returnless Fuel Module; 20ft of 3/8” Vapor Guard Fuel Hose; 5 stainless steel hose clamps, a post filter, and various Earls fittings and caps.
- Patent Pending
- Sniper Returnless Retrofit Fuel Module
- Sniper Retrofit fuel module installs in any fuel tank from 7” to 12” deep to fit a wide variety of applications
- Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
- The low profile design is only 1.275" thick above the tank mounting surface for added clearance when needed
- The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
- The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
- Die cast aluminum construction for corrosion resistance and long lasting good looks
- ¼” NPT ports for a wide variety of plumbing options
Charts
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
Holley Sniper 550-516D Specifications
Holley Sniper 550-516D Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 550-516D |
| Brand | Holley Sniper |
| Injection Style | Throttle Body |
| CFM | 800 CFM |
| Injector Size | 100 lbs./hr. |
| Max Horsepower Rating | 650 |
| ECM Included | Yes |
| GENERAL | |
| Carburetor Flange Type | 4-Barrel Square Bore |
| User Tunable | Yes |
| Self Tuning | Yes |
| Injectors Included | Yes |
| Intake Manifold Included | No |
| Metering Style | Speed density |
| EGR | No |
| Throttle Body Included | Yes |
| Throttle Body Material | Cast Aluminum |
| Throttle Body Finish | Gold |
| Venturi Quantity | 4 |
| Fuel Pump Included | Yes |
| Fuel Rails Included | No |
| Calibration Module Included | Yes |
| Wiring Harness Included | Yes |
| Fuel Pressure Regulator Included | Yes |
| Distributor Included | No |
| MAP Sensor Included | Yes |
| IAC Motor Included | Yes |
| IAT Sensor Included | No |
| TPS Sensor Included | Yes |
| Use with Power Adder | Yes |
| Venturi Diameter | 44.45mm |
| GTIN Code | 090127039687 |
| Sold in Quantity | Kit |