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Holly Sniper EFI Holley Returnless Master Kit, Black 550-511D

Holly Sniper EFI Holley Returnless Master Kit, Black 550-511D
Holly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511DHolly Sniper EFI Holley Returnless Master Kit, Black 550-511D
$3,430.99 ea
NEWARRIVING SOONEstimated Ship Date 03/15/2024 (If Ordered Today)21 Available from HOLLEY PERFORMANCE PRODUCTS as of 02/22/2024
Model: 4008254
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
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 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:
  • Sniper Retrofit fuel module installs in any fuel tank from 7" to 12" deep to fit a wide variety of applications
  • Patent Pending
  • Throttle body mounted ECU – no extra boxes to mount
  • 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!
  • High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
  • Sniper Returnless Retrofit Fuel Module
  • Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI)
  • 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!
  • Integrated ignition timing control & coil driver
  • Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds - (Spread Bore Sealing Plate Part #9006 is recommended)
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Die cast aluminum construction for corrosion resistance and long lasting good looks
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
  • 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.
  • Supports up to 650hp with Four 100 Lb/Hr Injectors!
  • OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service.
  • ¼" NPT ports for a wide variety of plumbing options
  • The low profile design is only 1.275" thick above the tank mounting surface for added clearance when needed
  • No external fuel return line required!
  • The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
  • The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
This kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.
Installation Notes:
This kit does not require a fuel return line, as the fuel pressure regulator is mounted in the tank.

Downloads:

Download Name File Size
199r11511.pdf823.65KB
199r11031r.pdf5.26MB
199r11369.pdf2.13MB
199r11193.pdf1.53MB
199r11194.pdf291.4KB
techlibrary_200r623sd_9.2.zip1.99MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine
Ford Mustang II 1975 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1976 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1977 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang II 1978 2.8L / 171 / V6
5.0L / 302 / V8
Ford Mustang 1964 4.3L / 260 / V8
4.7L / 289 / V8
Ford Mustang 1965 4.7L / 289 / V8
Ford Mustang 1966 4.7L / 289 / V8
Ford Mustang 1967 6.4L / 390 / V8
4.7L / 289 / V8
Ford Mustang 1968 5.0L / 302 / V8
7.0L / 427 / V8
6.4L / 390 / V8
7.0L / 428 / V8
4.7L / 289 / V8
Ford Mustang 1969 5.0L / 302 / V8
5.8L / 351 / V8
7.0L / 429 / V8
6.4L / 390 / V8
7.0L / 428 / V8
Ford Mustang 1970 5.0L / 302 / V8
5.8L / 351 / V8
7.0L / 429 / V8
7.0L / 428 / V8
Ford Mustang 1971 5.0L / 302 / V8
5.8L / 351 / V8
7.0L / 429 / V8
Ford Mustang 1972 5.0L / 302 / V8
5.8L / 351 / V8
Ford Mustang 1973 5.0L / 302 / V8
5.8L / 351 / V8
Ford Mustang 1979 5.0L / 302 / V8
2.8L / 171 / V6
Mercury Capri 1976 2.8L / 171 / V6
Mercury Capri 1977 2.8L / 171 / V6
Mercury Capri 1979 5.0L / 302 / V8
2.8L / 171 / V6
Mercury Cougar 1967 6.4L / 390 / V8
4.7L / 289 / V8
Mercury Cougar 1968 6.4L / 390 / V8
4.7L / 289 / V8
7.0L / 427 / V8
7.0L / 428 / V8
5.0L / 302 / V8
Mercury Cougar 1969 6.4L / 390 / V8
7.0L / 429 / V8
7.0L / 428 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1970 7.0L / 429 / V8
7.0L / 428 / V8
5.8L / 351 / V8
Mercury Cougar 1971 7.0L / 429 / V8
5.8L / 351 / V8
Mercury Cougar 1972 5.8L / 351 / V8
Mercury Cougar 1973 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1974 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1975 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1976 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar 1977 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1978 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1979 5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar 1980 5.0L / 302 / V8

Specifications:

CFM 800
Emission Code 3
Finish Black
Flange Style 4150
Fuel Pressure 58.5 PSI
Fuel System Type Returnless
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
Part Type Fuel Injection Conversion Kit
Product Type Sniper EFI 4150 Master Kit
Proposition 65 www.P65Warnings.ca.gov
Transmission 700R4/200R4

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Holly Sniper EFI Holley Returnless Master Kit, Black 550-511D:
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