Holley Sniper 4150 4 BBL EFI Returnless Master Kit - Black Ceramic - Part# 550-511D

Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld EFI Monitor - Black Ceramic Finish

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

Brand Holley Sniper EFI
CFM 800
Emission Code 3
Finish Black
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 550-511D


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WARNING: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov


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