$113 Off

Holley Sniper 550-869 EFI Quadrajet, Classic Gold Finish

$113 Off

#425550869

Holley Sniper 550-869 EFI Quadrajet, Classic Gold Finish

Name: Holley Sniper 550-869 EFI Quadrajet, Classic Gold Finish
Brand: Holley Sniper
SKU: 425550869
Price: 1799.95 USD
Availability: InStock
Rating: 5 (1 reviews)

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Finish / Type:

Gold

Gold - W/ Fuel Delivery

$1,799.95

/kit

Factory Shipped

$1,912.95

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Product Summary

Universal Fit, Throttle Body Injection Style, Gold

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Key Specs

MFG. Part #	550-869
Injection Style	Throttle Body
Injector Size	100 lb/hr @ 58.5 PSI
Max Horsepower Rating	500
ECM Included	Yes

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Holley Sniper 550-869 Details

Are you tired of rebuilding the 50+ year old Rochester Quadrajet (Q-Jet) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? Introducing Sniper EFI Quadrajet. The first bolt on spread bore electronic fuel injected throttle body system that does not require any additional adapters, sealing plates, or intake manifold swaps! The Sniper EFI Rochester Quadrajet (Q-Jet) system retains the same great features as the 4150 Sniper EFI version such as; four 100lb/hr Injectors, built in timing control, a 3.5" full color touchscreen and much more! The throttle body will support up to 500 horsepower naturally aspirated. In addition to all of these great tried and true features, the Sniper EFI Rochester Quadrajet (Q-Jet) system will fit most stock air cleaners and offers multiple fuel inlet configurations that allow for a stock appearing installation!

Available in 3 Finishes - Classic Gold, Shiny and Black Ceramic
Designed to deliver the signature Rochester Roar at Wide Open Throttle!
Throttle body mounted ECU – no extra boxes to mount
Supports up to 500hp with Four 100 Lb/Hr Injectors!
Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
Integrated ignition timing control
Transmission provisions on throttle lever for TH350/TH400 and 200R4/700R4
Fits most stock Rochester Quadrajet (Q-Jet) air cleaners
Brake Booster adapter included, if required
Universal Throttle and transmission kickdown bracket included
High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays.
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!
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
OEM Style Throttle Position Senser (TPS)/ and Idle Air Control (IAC) 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
Requires external fuel pressure regulator, such as: 12-886 or 12-879
Certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance. Making Sniper EFI the perfect choice for carburetor to marine fuel injection conversions!
A Flame Arrestor is REQUIRED for marine installations, such as part number, 720-1 or 720-13
Patent Pending

Charts

Quickstart Guide (PDF)

Instruction Manual (PDF)

Troubleshooting Guide (PDF)

Guides & Documents

Fuel Injection Systems Installation Instructions (425550869)

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

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.

CA Prop 65

CARB warning

Holley Sniper 550-869 Specifications

KEY SPECS
MFG. Part #	550-869
Brand	Holley Sniper
Injection Style	Throttle Body
Injector Size	100 lb/hr @ 58.5 PSI
Max Horsepower Rating	500
ECM Included	Yes

GENERAL
Carburetor Flange Type	4-Barrel Spread Bore
CFM	715 CFM
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	No
Fuel Rails Included	Yes
Calibration Module Included	Yes
Wiring Harness Included	Yes
Fuel Pressure Regulator Included	No
Distributor Included	No
MAP Sensor Included	Yes
IAC Motor Included	Yes
IAT Sensor Included	Yes
TPS Sensor Included	Yes
Use with Power Adder	No
GTIN Code	090127056851
Sold in Quantity	Kit

Ratings & Reviews

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Great way to get EFI

5.0

9 months ago

fbfan

Fort Worth, Texas

Verified

Came well packaged. Fits my QJet intake manifold with no adapter needed.

Would Recommend

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