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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
$3,449.99 ea
NEWOUT OF STOCK
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 Submodel Years Engine
Chevrolet Bel Air Base 1960 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Bel Air Base 1961 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Bel Air Base 1962 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Bel Air Base 1963 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Bel Air Base 1964 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Bel Air Base 1965 4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1966 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1967 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1968 7.0L / 427 / V8
5.0L / 307 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Bel Air Base 1969 7.0L / 427 / V8
5.3L / 327 / V8
6.5L / 396 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1970 6.6L / 402 / V8
7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1971 6.6L / 402 / V8
7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1972 6.6L / 402 / V8
7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1973 7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1974 7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Bel Air Base 1975 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Biscayne Base 1960 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Biscayne Base 1961 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Biscayne Base 1962 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Biscayne Base 1963 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Biscayne Base 1964 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Biscayne Base 1965 4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1966 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1967 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1968 7.0L / 427 / V8
5.3L / 327 / V8
5.0L / 307 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1969 7.0L / 427 / V8
5.7L / 350 / V8
5.3L / 327 / V8
6.5L / 396 / V8
Chevrolet Biscayne Base 1970 6.6L / 400 / V8
5.7L / 350 / V8
6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Biscayne Base 1971 6.6L / 400 / V8
5.7L / 350 / V8
6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Biscayne Base 1972 6.6L / 400 / V8
5.7L / 350 / V8
6.6L / 402 / V8
7.4L / 454 / V8
Chevrolet Biscayne Fleetmaster 1960 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Brookwood Base 1960 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Brookwood Base 1961 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Brookwood Base 1969 5.3L / 327 / V8
7.0L / 427 / V8
5.7L / 350 / V8
6.5L / 396 / V8
5.0L / 307 / V8
Chevrolet Brookwood Base 1970 6.6L / 400 / V8
7.4L / 454 / V8
5.7L / 350 / V8
6.6L / 402 / V8
Chevrolet Brookwood Base 1971 6.6L / 400 / V8
7.4L / 454 / V8
5.7L / 350 / V8
6.6L / 402 / V8
5.0L / 307 / V8
Chevrolet Brookwood Base 1972 6.6L / 400 / V8
7.4L / 454 / V8
5.7L / 350 / V8
6.6L / 402 / V8
5.0L / 307 / V8
Chevrolet Caprice Base 1966 4.6L / 283 / V8
6.5L / 396 / V8
7.0L / 427 / V8
5.3L / 327 / V8
Chevrolet Caprice Base 1967 4.6L / 283 / V8
6.5L / 396 / V8
7.0L / 427 / V8
5.3L / 327 / V8
Chevrolet Caprice Base 1968 6.5L / 396 / V8
7.0L / 427 / V8
5.0L / 307 / V8
5.3L / 327 / V8
Chevrolet Caprice Base 1969 5.7L / 350 / V8
6.5L / 396 / V8
7.0L / 427 / V8
5.0L / 307 / V8
5.3L / 327 / V8
Chevrolet Caprice Base 1970 5.7L / 350 / V8
7.4L / 454 / V8
6.6L / 400 / V8
6.6L / 402 / V8
Chevrolet Caprice Base 1971 5.7L / 350 / V8
7.4L / 454 / V8
5.0L / 307 / V8
6.6L / 400 / V8
6.6L / 402 / V8
Chevrolet Caprice Base 1972 5.7L / 350 / V8
7.4L / 454 / V8
5.0L / 307 / V8
6.6L / 400 / V8
6.6L / 402 / V8
Chevrolet Caprice Classic Estate 1976 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Caprice Classic Estate 1977 5.0L / 305 / V8
Chevrolet Caprice Classic Estate 1978 5.0L / 305 / V8
Chevrolet Caprice Classic Landau 1976 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Caprice Classic Landau 1977 5.0L / 305 / V8
Chevrolet Caprice Classic Landau 1978 5.0L / 305 / V8
Chevrolet Caprice Classic Landau 1979 5.0L / 305 / V8
Chevrolet Caprice Classic Sport 1975 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Caprice Classic Sport 1976 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Caprice Classic Sport 1979 5.0L / 305 / V8
Chevrolet Caprice Classic 1973 7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 307 / V8
Chevrolet Caprice Classic 1974 7.4L / 454 / V8
6.6L / 400 / V8
5.7L / 350 / V8
Chevrolet Caprice Classic 1975 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Caprice Classic 1976 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Caprice Classic 1977 5.0L / 305 / V8
Chevrolet Caprice Classic 1978 5.0L / 305 / V8
Chevrolet Caprice Classic 1979 5.0L / 305 / V8
Chevrolet Caprice Estate Wagon 1975 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Caprice Estate 1973 6.6L / 400 / V8
7.4L / 454 / V8
5.0L / 307 / V8
5.7L / 350 / V8
Chevrolet Caprice Estate 1974 6.6L / 400 / V8
7.4L / 454 / V8
5.7L / 350 / V8
Chevrolet Estate Base 1969 5.7L / 350 / V8
6.5L / 396 / V8
5.0L / 307 / V8
7.0L / 427 / V8
5.3L / 327 / V8
Chevrolet Estate Base 1970 6.6L / 402 / V8
5.7L / 350 / V8
7.4L / 454 / V8
5.0L / 307 / V8
6.6L / 400 / V8
Chevrolet Impala Base 1960 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Impala Base 1961 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Impala Base 1962 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1963 7.0L / 427 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1964 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1965 6.5L / 396 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1966 7.0L / 427 / V8
6.5L / 396 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1967 7.0L / 427 / V8
6.5L / 396 / V8
4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1968 5.0L / 307 / V8
7.0L / 427 / V8
6.5L / 396 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1969 5.0L / 307 / V8
5.7L / 350 / V8
7.0L / 427 / V8
6.5L / 396 / V8
5.3L / 327 / V8
Chevrolet Impala Base 1970 5.7L / 350 / V8
6.6L / 402 / V8
6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1971 5.0L / 307 / V8
5.7L / 350 / V8
6.6L / 402 / V8
6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1972 5.0L / 307 / V8
5.7L / 350 / V8
6.6L / 402 / V8
6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1973 5.0L / 307 / V8
5.7L / 350 / V8
6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1974 5.7L / 350 / V8
6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1975 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1976 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Base 1977 5.0L / 305 / V8
Chevrolet Impala Base 1978 5.0L / 305 / V8
Chevrolet Impala Base 1979 5.0L / 305 / V8
Chevrolet Impala Custom Landau 1976 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Impala Custom 1975 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Impala Custom 1976 7.4L / 454 / V8
6.6L / 400 / V8
Chevrolet Impala Custom 1977 5.0L / 305 / V8
Chevrolet Impala Landau 1977 5.0L / 305 / V8
Chevrolet Impala Landau 1978 5.0L / 305 / V8
Chevrolet Impala Landau 1979 5.0L / 305 / V8
Chevrolet Impala SS 1964 4.6L / 283 / V8
Chevrolet Impala SS 1965 6.5L / 396 / V8
Chevrolet Impala SS 1966 4.6L / 283 / V8
7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala SS 1967 4.6L / 283 / V8
7.0L / 427 / V8
6.5L / 396 / V8
Chevrolet Impala S 1976 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Sport 1975 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Sport 1976 6.6L / 400 / V8
7.4L / 454 / V8
Chevrolet Impala Sport 1979 5.0L / 305 / V8
Chevrolet Nomad Base 1960 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Nomad Base 1961 5.7L / 348 / V8
4.6L / 283 / V8
Chevrolet Parkwood Base 1960 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Parkwood Base 1961 4.6L / 283 / V8
5.7L / 348 / V8
Chevrolet Townsman Base 1969 6.5L / 396 / V8
5.7L / 350 / V8
7.0L / 427 / V8
5.0L / 307 / V8
5.3L / 327 / V8
Chevrolet Townsman Base 1970 5.7L / 350 / V8
6.6L / 400 / V8
7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Townsman Base 1971 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
7.4L / 454 / V8
6.6L / 402 / V8
Chevrolet Townsman Base 1972 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
7.4L / 454 / V8
6.6L / 402 / 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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