Holley Sniper EFI Returnless Master Kit - Classic Gold Finish
Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld EFI Monitor - Classic Gold Finish
PART# 550-516D
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$1,777.95
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$1,599.95 Your Price
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Overview
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
Specs
| Brand | Holley Sniper EFI |
|---|---|
| CFM | 800 |
| Emission Code | 3 |
| Finish | Classic Gold |
| 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 4BBL TBI Kits |
| Transmission | 700R4/200R4 |
| TH350 | |
| Part Number | 550-516D |
Service Parts
![CAN to USB Dongle – Communication Cable]()
USB/CAN Communication Cable - For Holley EFI - Sniper EFI - Terminator X$53.99Qty:![Earls -6 AN Male to 9/16]()
Earls -6 AN Male to 9/16"-18 (AN6) O-ring Port$8.68Qty:![Fuel Pressure Gauge Adapter]()
Earls – 1/8" NPT in Hex -6AN Male to -6AN Female$14.96Qty:![Oxygen Sensor for Sniper EFI or Terminator X Systems]()
Service Bosch LSU 4.9 Oxygen Sensor$106.95Qty:![Sniper EFI to Holley EFI Dual Sync Distributor Adapter Harness]()
SNIPER EFI TO HOLLEY DUAL SYNC HARNESS$28.32Qty:![Pressure Gauge]()
![Idle Air Control Motor]()
Replacement Idle Air Control (IAC) Motor for Sniper EFI TBI Systems, Sniper 90/92/102mm Throttle Bodies, Terminator TBI, Avenger 4bbl TBI, HP 4bbl TBI, Commander 950 & Digital Pro-Jection Systems$58.97Qty:![Earls AN Port Plug - Hex Head]()
-6 AN Port Plug w/ O-Ring Seal, Black Anodized Aluminum - 2 pieces$5.70Qty:![Sniper EFI 3.5]()
![Sniper EFI Installation Kit]()
![Throttle Position Sensor]()
Replacement TPS for Terminator and Sniper EFI Throttle Bodies as well as a variety of other Holley EFI Throttle Bodies.$54.91Qty:![Sniper EFI Coolant Temperature Sensor:]()
Service Replacement Coolant Temperature Sensor$21.56Qty:![Sniper EFI Coil Driver Module]()
![Holley EFI Replacement Regulator Kit]()
Replacement Regulator Kit for Filter Regulators (PN 12-875 & 12-876)$19.60Qty:![Oxygen Sensor O2 Bung 2.5]()
Hooker Blackheart Oxygen Sensor O2 Bung 2.5" Clamp-On style$32.37Qty:![Oxygen Sensor O2 Bung 3.0]()
Oxygen Sensor O2 Bung 3" Clamp-On Style for all vehicles that utilize an Oxygen sensor$32.37Qty:![Sniper EFI Main Harness]()
![Sniper EFI Input/Output Harness]()
![Oxygen Sensor O2 Bung 2.25]()
Hooker Blackheart Oxygen Sensor O2 Bung 2.25" Clamp-On style$32.37Qty:
Emissions
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.
The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:
- 1965 and older U.S. manufactured California Certified vehicles
- 1967 and older U.S. manufactured Federally Certified vehicles
- 1967 and older Foreign manufactured vehicle
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
The following vehicles are considered Emissions Controlled Vehicles:
- 1966 and newer U.S. manufactured California Certified vehicles
- 1968 and newer U.S. manufactured Federally Certified vehicles
- 1968 and newer Foreign manufactured vehicle
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.