Hero image 0 of Holley EFI 550-869K Carburetor Repair Kit, 0 of 9

Holley EFI 550-869K Carburetor Repair Kit

Name: Holley EFI 550-869K Carburetor Repair Kit
Brand: Holley Sniper EFI
SKU: 192470837
Price: 1798.95 USD
Availability: InStock

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Key item features

Engine Compatibility: Supports up to 500 horsepower with four 100 Lb/Hr injectors, designed for Rochester Quadrajet (Q-Jet) 4-barrel fuel injection conversion.
Simplified Installation: Requires only four wiring connections (Battery +, Battery -, Switched Ignition & RPM) and includes a brake booster adapter if needed.
Integrated Control: Features a throttle body mounted ECU with integrated ignition timing control and OEM style TPS/IAC for dependable service.
User-Friendly Tuning: Comes with a high-resolution full-color touchscreen for setup and tuning, and a simple calibration wizard that creates a base map without a laptop.
Complete Fuel System: Includes an external fuel pressure regulator, 20ft of 3/8 Vapor Guard Fuel Hose, fuel pump, filters, and necessary hardware for fuel return.
Self-Tuning Capability: The self-tuning ECU and genuine Bosch LSU 4.9 Wideband Oxygen Sensor provide real-time fuel map learning.
Air Cleaner Fitment: Designed to fit most stock Rochester Quadrajet (Q-Jet) air cleaners, allowing for a stock-appearing installation.

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Specs

Vehicle model
H19550869K
Vehicle make
Chevrolet
Vehicle fitment type
Universal
Automotive parts division
Performance
Brand
Holley Sniper EFI
Automotive specialty part type
Fuel Injection Conversion

Current price is $1,798.95

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About this item

Product details

Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold Finish;

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!;

Designed to deliver the signature Rochester Roar at Wide Open Throttle!
Throttle body mounted ECU â€" 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 Quadrajetâ„¢ (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!
Complete fuel system includes â€" external fuel pressure regulator preset to 58.5psi, 20ft of 3/8â€ Vapor Guard Fuel Hose, Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Self-tuning ECU means you donâ€™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
Patent Pending

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Specifications

Vehicle model

H19550869K

Vehicle make

Chevrolet

Vehicle fitment type

Universal

Automotive parts division

Performance

Warranty

Warranty information

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